anchor.diff:  --------------------------------------------------
   // CONSOLE
   
  -Might look like:
  +The API returns the following response:
   
   [source,txt]
   --------------------------------------------------
  
positive.code: --------------------------------------------------
  // CONSOLE
  
  Might look like:
  
  ["source","txt",subs="attributes,callouts"]
  --------------------------------------------------
  id   ip        port  v         m
  veJR 127.0.0.1 59938 {version} *
  --------------------------------------------------
  // TESTRESPONSE[s/veJR/.+/ s/59938/\\d+/ s/[*]/[*]/ non_json]
  
  [cols="<,<,<,<,<",options="header",subs="normal"]
  |=======================================================================
  |Header |Alias |Appear by Default |Description |Example
  |`id` |`nodeId` |No |Unique node ID |k0zy
  |`pid` |`p` |No |Process ID |13061
  |`ip` |`i` |Yes |IP address |127.0.1.1
  |`port` |`po` |No |Bound transport port |9300
  |`http_address` |`http`| No |Bound http address | 127.0.0.1:9200
  |`version` |`v` |No |Elasticsearch version |{version}
  |`build` |`b` |No |Elasticsearch Build hash |5c03844
  |`jdk` |`j` |No |Running Java version |1.8.0
  |`disk.total` |`dt`, `diskTotal` |No |Total disk space| 458.3gb
  |`disk.used` |`du`, `diskUsed` |No |Used disk space| 259.8gb
  |`disk.avail` |`d`, `disk`, `diskAvail` |No |Available disk space |198.4gb
  |`disk.used_percent` |`dup`, `diskUsedPercent` |No |Used disk space percentage |56.71
  |`heap.current` |`hc`, `heapCurrent` |No |Used heap |311.2mb
  |`heap.percent` |`hp`, `heapPercent` |Yes |Used heap percentage |7
  |`heap.max` |`hm`, `heapMax` |No |Maximum configured heap |1015.6mb
  |`ram.current` |`rc`, `ramCurrent` |No |Used total memory |513.4mb
  |`ram.percent` |`rp`, `ramPercent` |Yes |Used total memory percentage |47
  |`ram.max` |`rm`, `ramMax` |No |Total memory |2.9gb
  |`file_desc.current` |`fdc`, `fileDescriptorCurrent` |No |Used file
  descriptors |123
  |`file_desc.percent` |`fdp`, `fileDescriptorPercent` |Yes |Used file
  descriptors percentage |1
  |`file_desc.max` |`fdm`, `fileDescriptorMax` |No |Maximum number of file
  descriptors |1024
  |`cpu` | |No |Recent system CPU usage as percent |12
  |`load_1m` |`l` |No |Most recent load average |0.22
  |`load_5m` |`l` |No |Load average for the last five minutes |0.78
  |`load_15m` |`l` |No |Load average for the last fifteen minutes |1.24
  |`uptime` |`u` |No |Node uptime |17.3m
  |`node.role` |`r`, `role`, `nodeRole` |Yes |Master eligible node (m);
  Data node (d); Ingest node (i); Coordinating node only (-) |mdi
  |`master` |`m` |Yes |Elected master (*); Not elected master (-) |*
  |`name` |`n` |Yes |Node name |I8hydUG
  |`completion.size` |`cs`, `completionSize` |No |Size of completion |0b
  |`fielddata.memory_size` |`fm`, `fielddataMemory` |No |Used fielddata
  cache memory |0b
  |`fielddata.evictions` |`fe`, `fielddataEvictions` |No |Fielddata cache
  evictions |0
  |`query_cache.memory_size` |`qcm`, `queryCacheMemory` |No |Used query
  cache memory |0b
  |`query_cache.evictions` |`qce`, `queryCacheEvictions` |No |Query
  cache evictions |0
  |`request_cache.memory_size` |`rcm`, `requestCacheMemory` |No | Used request
  cache memory |0b
  |`request_cache.evictions` |`rce`, `requestCacheEvictions` |No |Request
  cache evictions |0
  |`request_cache.hit_count` |`rchc`, `requestCacheHitCount` |No | Request
  cache hit count |0
  |`request_cache.miss_count` |`rcmc`, `requestCacheMissCount` |No | Request
  cache miss count |0
  |`flush.total` |`ft`, `flushTotal` |No |Number of flushes |1
  |`flush.total_time` |`ftt`, `flushTotalTime` |No |Time spent in flush |1
  |`get.current` |`gc`, `getCurrent` |No |Number of current get
  operations |0
  |`get.time` |`gti`, `getTime` |No |Time spent in get |14ms
  |`get.total` |`gto`, `getTotal` |No |Number of get operations |2
  |`get.exists_time` |`geti`, `getExistsTime` |No |Time spent in
  successful gets |14ms
  |`get.exists_total` |`geto`, `getExistsTotal` |No |Number of successful
  get operations |2
  |`get.missing_time` |`gmti`, `getMissingTime` |No |Time spent in failed
  gets |0s
  |`get.missing_total` |`gmto`, `getMissingTotal` |No |Number of failed
  get operations |1
  |`indexing.delete_current` |`idc`, `indexingDeleteCurrent` |No |Number
  of current deletion operations |0
  |`indexing.delete_time` |`idti`, `indexingDeleteTime` |No |Time spent in
  deletions |2ms
  |`indexing.delete_total` |`idto`, `indexingDeleteTotal` |No |Number of
  deletion operations |2
  |`indexing.index_current` |`iic`, `indexingIndexCurrent` |No |Number
  of current indexing operations |0
  |`indexing.index_time` |`iiti`, `indexingIndexTime` |No |Time spent in
  indexing |134ms
  |`indexing.index_total` |`iito`, `indexingIndexTotal` |No |Number of
  indexing operations |1
  |`indexing.index_failed` |`iif`, `indexingIndexFailed` |No |Number of
  failed indexing operations |0
  |`merges.current` |`mc`, `mergesCurrent` |No |Number of current
  merge operations |0
  |`merges.current_docs` |`mcd`, `mergesCurrentDocs` |No |Number of
  current merging documents |0
  |`merges.current_size` |`mcs`, `mergesCurrentSize` |No |Size of current
  merges |0b
  |`merges.total` |`mt`, `mergesTotal` |No |Number of completed merge
  operations |0
  |`merges.total_docs` |`mtd`, `mergesTotalDocs` |No |Number of merged
  documents |0
  |`merges.total_size` |`mts`, `mergesTotalSize` |No |Size of current
  merges |0b
  |`merges.total_time` |`mtt`, `mergesTotalTime` |No |Time spent merging
  documents |0s
  |`refresh.total` |`rto`, `refreshTotal` |No |Number of refreshes |16
  |`refresh.time` |`rti`, `refreshTime` |No |Time spent in refreshes |91ms
  |`script.compilations` |`scrcc`, `scriptCompilations` |No |Total script compilations |17
  |`script.cache_evictions` |`scrce`, `scriptCacheEvictions` |No |Total compiled scripts evicted from cache |6
  |`search.fetch_current` |`sfc`, `searchFetchCurrent` |No |Current fetch
  phase operations |0
  |`search.fetch_time` |`sfti`, `searchFetchTime` |No |Time spent in fetch
  phase |37ms
  |`search.fetch_total` |`sfto`, `searchFetchTotal` |No |Number of fetch
  operations |7
  |`search.open_contexts` |`so`, `searchOpenContexts` |No |Open search
  contexts |0
  |`search.query_current` |`sqc`, `searchQueryCurrent` |No |Current query
  phase operations |0
  |`search.query_time` |`sqti`, `searchQueryTime` |No |Time spent in query
  phase |43ms
  |`search.query_total` |`sqto`, `searchQueryTotal` |No |Number of query
  operations |9
  |`search.scroll_current` |`scc`, `searchScrollCurrent` |No |Open scroll contexts |2
  |`search.scroll_time` |`scti`, `searchScrollTime` |No |Time scroll contexts held open|2m
  |`search.scroll_total` |`scto`, `searchScrollTotal` |No |Completed scroll contexts |1
  |`segments.count` |`sc`, `segmentsCount` |No |Number of segments |4
  |`segments.memory` |`sm`, `segmentsMemory` |No |Memory used by
  segments |1.4kb
  |`segments.index_writer_memory` |`siwm`, `segmentsIndexWriterMemory` |No
  |Memory used by index writer |18mb
  |`segments.version_map_memory` |`svmm`, `segmentsVersionMapMemory` |No
  |Memory used by version map |1.0kb
  |`segments.fixed_bitset_memory` |`sfbm`, `fixedBitsetMemory` |No
  |Memory used by fixed bit sets for nested object field types and type filters for types referred in `join` fields |1.0kb
  |`suggest.current` |`suc`, `suggestCurrent` |No |Number of current suggest operations |0
  |`suggest.time` |`suti`, `suggestTime` |No |Time spent in suggest |0
  |`suggest.total` |`suto`, `suggestTotal` |No |Number of suggest operations |0
  |=======================================================================
  
negative.code: [[cat-nodes]]
  === cat nodes
  
  Returns information about a cluster's nodes.
  
  [[cat-nodes-api-request]]
  ==== {api-request-title}
  
  `GET /_cat/nodes`
  
  [[cat-nodes-api-query-params]]
  ==== {api-query-parms-title}
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=http-format]
  
  `full_id`::
  (Optional, boolean) If `true`, return the full node ID.  If `false`, return the
  shortened node ID. Defaults to `false`.
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-h]
  +
  --
  If you do not specify which columns to include, the API returns the default columns in the order listed below. If you explicitly specify one or more columns, it only returns the specified columns.
  
  Valid columns are:
  
  `ip`, `i`::
  (Default) IP address, such as `127.0.1.1`.
  
  `heap.percent`, `hp`, `heapPercent`::
  (Default) Maximum configured heap, such as `7`.
  
  `ram.percent`, `rp`, `ramPercent`::
  (Default) Used total memory percentage, such as `47`.
  
  `file_desc.percent`, `fdp`, `fileDescriptorPercent`::
  (Default) Used file descriptors percentage, such as `1`.
  
  `node.role`, `r`, `role`, `nodeRole`::
  (Default) Roles of the node. Returned values include `m` (master-eligible node),
  `d` (data node), `i` (ingest node), and `-` (coordinating node only).
  +
  For example, `mdi` indicates a master-eligible data and ingest node.
  
  `master`, `m`::
  (Default) Indicates whether the node is the elected master node. Returned values
  include `*` (elected master) and `-` (not elected master).
  
  `name`, `n`::
  (Default) Node name, such as `I8hydUG`.
  
  `id`, `nodeId`::
  ID of the node, such as `k0zy`.
  
  `pid`, `p`::
  Process ID, such as `13061`.
  
  `port`, `po`::
  Bound transport port, such as `9300`.
  
  `http_address`, `http`::
  Bound http address, such as `127.0.0.1:9200`.
  
  `version`, `v`::
  Elasticsearch version, such as {version}.
  
  `build`, `b`::
  Elasticsearch build hash, such as `5c03844`.
  
  `jdk`, `j`::
  Java version, such as `1.8.0`.
  
  `disk.total`, `dt`, `diskTotal`::
  Total disk space, such as `458.3gb`.
  
  `disk.used`, `du`, `diskUsed`::
  Used disk space, such as `259.8gb`.
  
  `disk.avail`, `d`, `disk`, `diskAvail`::
  Available disk space, such as `198.4gb`.
  
  `disk.used_percent`, `dup`, `diskUsedPercent`::
  Used disk space percentage, such as `198.4gb`.
  
  `heap.current`, `hc`, `heapCurrent`::
  Used heap, such as `311.2mb`.
  
  `ram.current`,`rc`, `ramCurrent`::
  Used total memory, such as `513.4mb`.
  
  `ram.max`, `rm`, `ramMax`::
  Total memory, such as `2.9gb`.
  
  `file_desc.current`, `fdc`, `fileDescriptorCurrent`::
  Used file descriptors, such as `123`.
  
  `file_desc.max`, `fdm`, `fileDescriptorMax`::
  Maximum number of file descriptors, such as `1024`.
  
  `cpu`::
  Recent system CPU usage as percent, such as `12`.
  
  `load_1m`, `l`::
  Most recent load average, such as `0.22`.
  
  `load_5m`, `l`::
  Load average for the last five minutes, such as `0.78`.
  
  `load_15m`, `l`::
  Load average for the last fifteen minutes, such as `1.24`.
  
  `uptime`, `u`::
  Node uptime, such as `17.3m`.
  
  `completion.size`, `cs`, `completionSize`::
  Size of completion, such as `0b`.
  
  `fielddata.memory_size`, `fm`, `fielddataMemory`::
  Used fielddata cache memory, such as `0b`.
  
  `fielddata.evictions`, `fe`, `fielddataEvictions`::
  Fielddata cache evictions, such as `0`.
  
  `query_cache.memory_size`, `qcm`, `queryCacheMemory`::
  Used query cache memory, such as `0b`.
  
  `query_cache.evictions`, `qce`, `queryCacheEvictions`::
  Query cache evictions, such as `0`.
  
  `request_cache.memory_size`, `rcm`, `requestCacheMemory`::
  Used request cache memory, such as `0b`.
  
  `request_cache.evictions`, `rce`, `requestCacheEvictions`::
  Request cache evictions, such as `0`.
  
  `request_cache.hit_count`, `rchc`, `requestCacheHitCount`::
  Request cache hit count, such as `0`.
  
  `request_cache.miss_count`, `rcmc`, `requestCacheMissCount`::
  Request cache miss count, such as `0`.
  
  `flush.total`, `ft`, `flushTotal`::
  Number of flushes, such as `1`.
  
  `flush.total_time`, `ftt`, `flushTotalTime`::
  Time spent in flush, such as `1`.
  
  `get.current`, `gc`, `getCurrent`::
  Number of current get operations, such as `0`.
  
  `get.time`, `gti`, `getTime`::
  Time spent in get, such as `14ms`.
  
  `get.total`, `gto`, `getTotal`::
  Number of get operations, such as `2`.
  
  `get.exists_time`, `geti`, `getExistsTime`::
  Time spent in successful gets, such as `14ms`.
  
  `get.exists_total`, `geto`, `getExistsTotal`::
  Number of successful get operations, such as `2`.
  
  `get.missing_time`, `gmti`, `getMissingTime`::
  Time spent in failed gets, such as `0s`.
  
  `get.missing_total`, `gmto`, `getMissingTotal`::
  Number of failed get operations, such as `1`.
  
  `indexing.delete_current`, `idc`, `indexingDeleteCurrent`::
  Number of current deletion operations, such as `0`.
  
  `indexing.delete_time`, `idti`, `indexingDeleteTime`::
  Time spent in deletions, such as `2ms`.
  
  `indexing.delete_total`, `idto`, `indexingDeleteTotal`::
  Number of deletion operations, such as `2`.
  
  `indexing.index_current`, `iic`, `indexingIndexCurrent`::
  Number of current indexing operations, such as `0`.
  
  `indexing.index_time`, `iiti`, `indexingIndexTime`::
  Time spent in indexing, such as `134ms`.
  
  `indexing.index_total`, `iito`, `indexingIndexTotal`::
  Number of indexing operations, such as `1`.
  
  `indexing.index_failed`, `iif`, `indexingIndexFailed`::
  Number of failed indexing operations, such as `0`.
  
  `merges.current`, `mc`, `mergesCurrent`::
  Number of current merge operations, such as `0`.
  
  `merges.current_docs`, `mcd`, `mergesCurrentDocs`::
  Number of current merging documents, such as `0`.
  
  `merges.current_size`, `mcs`, `mergesCurrentSize`::
  Size of current merges, such as `0b`.
  
  `merges.total`, `mt`, `mergesTotal`::
  Number of completed merge operations, such as `0`.
  
  `merges.total_docs`, `mtd`, `mergesTotalDocs`::
  Number of merged documents, such as `0`.
  
  `merges.total_size`, `mts`, `mergesTotalSize`::
  Size of current merges, such as `0b`.
  
  `merges.total_time`, `mtt`, `mergesTotalTime`::
  Time spent merging documents, such as `0s`.
  
  `refresh.total`, `rto`, `refreshTotal`::
  Number of refreshes, such as `16`.
  
  `refresh.time`, `rti`, `refreshTime`::
  Time spent in refreshes, such as `91ms`.
  
  `script.compilations`, `scrcc`, `scriptCompilations`::
  Total script compilations, such as `17`.
  
  `script.cache_evictions`, `scrce`, `scriptCacheEvictions`::
  Total compiled scripts evicted from cache, such as `6`.
  
  `search.fetch_current`, `sfc`, `searchFetchCurrent`::
  Current fetch phase operations, such as `0`.
  
  `search.fetch_time`, `sfti`, `searchFetchTime`::
  Time spent in fetch phase, such as `37ms`.
  
  `search.fetch_total`, `sfto`, `searchFetchTotal`::
  Number of fetch operations, such as `7`.
  
  `search.open_contexts`, `so`, `searchOpenContexts`::
  Open search contexts, such as `0`.
  
  `search.query_current`, `sqc`, `searchQueryCurrent`::
  Current query phase operations, such as `0`.
  
  `search.query_time`, `sqti`, `searchQueryTime`::
  Time spent in query phase, such as `43ms`.
  
  `search.query_total`, `sqto`, `searchQueryTotal`::
  Number of query operations, such as `9`.
  
  `search.scroll_current`, `scc`, `searchScrollCurrent`::
  Open scroll contexts, such as `2`.
  
  `search.scroll_time`, `scti`, `searchScrollTime`::
  Time scroll contexts held open, such as `2m`.
  
  `search.scroll_total`, `scto`, `searchScrollTotal`::
  Completed scroll contexts, such as `1`.
  
  `segments.count`, `sc`, `segmentsCount`::
  Number of segments, such as `4`.
  
  `segments.memory`, `sm`, `segmentsMemory`::
  Memory used by segments, such as `1.4kb`.
  
  `segments.index_writer_memory`, `siwm`, `segmentsIndexWriterMemory`::
  Memory used by index writer, such as `18mb`.
  
  `segments.version_map_memory`, `svmm`, `segmentsVersionMapMemory`::
  Memory used by version map, such as `1.0kb`.
  
  `segments.fixed_bitset_memory`, `sfbm`, `fixedBitsetMemory`::
  Memory used by fixed bit sets for nested object field types and type filters for
  types referred in <<parent-join,`join`>> fields, such as `1.0kb`.
  
  `suggest.current`, `suc`, `suggestCurrent`::
  Number of current suggest operations, such as `0`.
  
  `suggest.time`, `suti`, `suggestTime`::
  Time spent in suggest, such as `0`.
  
  `suggest.total`, `suto`, `suggestTotal`::
  Number of suggest operations, such as `0`.
  --
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=help]
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=local]
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=master-timeout]
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-s]
  
  include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-v]
  
  
  [[cat-nodes-api-example]]
  ==== {api-examples-title}
  
  [[cat-nodes-api-ex-default]]
  ===== Example with default columns
  
  [source,js]
  --------------------------------------------------
  