anchor.diff:  (integer)
   Time in milliseconds
   recovery operations were delayed due to throttling.
  -
  -[[cluster-nodes-stats-api-response-body-fs]]
  -===== `fs` section
  -
  -`fs.timestamp`::
  -    Last time the file stores statistics have been refreshed.
  -
  -`fs.total.total_in_bytes`::
  -    Total size (in bytes) of all file stores.
  -
  -`fs.total.free_in_bytes`::
  -    Total number of unallocated bytes in all file stores.
  -
  -`fs.total.available_in_bytes`::
  -    Total number of bytes available to this Java virtual machine on all file 
  -    stores. Depending on OS or process level restrictions, this might appear 
  -    less than `fs.total.free_in_bytes`. This is the actual amount of free disk 
  -    space the {es} node can utilise.
  -
  -`fs.data`::
  -    List of all file stores.
  -
  -`fs.data.path`::
  -    Path to the file store.
  -
  -`fs.data.mount`::
  -    Mount point of the file store (ex: /dev/sda2).
  -
  -`fs.data.type`::
  -    Type of the file store (ex: ext4).
  -
  -`fs.data.total_in_bytes`::
  -    Total size (in bytes) of the file store.
  -
  -`fs.data.free_in_bytes`::
  -    Total number of unallocated bytes in the file store.
  -
  -`fs.data.available_in_bytes`::
  -    Total number of bytes available to this Java virtual machine on this file 
  -    store.
  -
  -`fs.io_stats.devices` (Linux only)::
  -    Array of disk metrics for each device that is backing an {es} data path. 
  -    These disk metrics are probed periodically and averages between the last 
  -    probe and the current probe are computed.
  -
  -`fs.io_stats.devices.device_name` (Linux only)::
  -    The Linux device name.
  -
  -`fs.io_stats.devices.operations` (Linux only)::
  -    The total number of read and write operations for the device completed since 
  -    starting {es}.
  -
  -`fs.io_stats.devices.read_operations` (Linux only)::
  -    The total number of read operations for the device completed since starting 
  -    {es}.
  -
  -`fs.io_stats.devices.write_operations` (Linux only)::
  -    The total number of write operations for the device completed since starting 
  -    {es}.
  -
  -`fs.io_stats.devices.read_kilobytes` (Linux only)::
  -    The total number of kilobytes read for the device since starting {es}.
  -
  -`fs.io_stats.devices.write_kilobytes` (Linux only)::
  -    The total number of kilobytes written for the device since starting {es}.
  -
  -`fs.io_stats.operations` (Linux only)::
  -    The total number of read and write operations across all devices used by 
  -    {es} completed since starting {es}.
  -
  -`fs.io_stats.read_operations` (Linux only)::
  -    The total number of read operations for across all devices used by {es} 
  -    completed since starting {es}.
  -
  -`fs.io_stats.write_operations` (Linux only)::
  -    The total number of write operations across all devices used by {es} 
  -    completed since starting {es}.
  -
  -`fs.io_stats.read_kilobytes` (Linux only)::
  -    The total number of kilobytes read across all devices used by {es} since 
  -    starting {es}.
  -
  -`fs.io_stats.write_kilobytes` (Linux only)::
  -    The total number of kilobytes written across all devices used by {es} since 
  -    starting {es}.
  -
  +====
   
   [[cluster-nodes-stats-api-response-body-os]]
   ===== `os` section
   
  +[%collapsible]
  +====
   `os.timestamp`::
       Last time the operating system statistics have been refreshed.
   
  
positive.code: [[cluster-nodes-stats-api-response-body-indices]]
  ===== `indices` section
  
  `indices.docs.count`::
  (integer)
  include::{docdir}/rest-api/common-parms.asciidoc[tag=docs-count]
  
negative.code: `discovery.published_cluster_states.compatible_diffs`::
  (integer)
  Number of compatible differences between published cluster states.
  ====
  
  [[cluster-nodes-stats-api-response-body-ingest]]
  ===== `ingest` section
  
  [%collapsible]
  ====
  `ingest.total.count`::
      (integer)
      Total number of documents ingested during the lifetime of this node.
  