mirror of
https://github.com/honeymoose/OpenSearch.git
synced 2025-02-22 21:05:23 +00:00
Clinton Gormley
parent
856235fac2
commit
1b0c93b07c
@ -38,7 +38,6 @@ buildRestTests.expectedUnconvertedCandidates = [
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'reference/aggregations/metrics/tophits-aggregation.asciidoc',
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'reference/cluster/allocation-explain.asciidoc',
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'reference/cluster/nodes-info.asciidoc',
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'reference/cluster/nodes-stats.asciidoc',
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'reference/cluster/pending.asciidoc',
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'reference/cluster/state.asciidoc',
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'reference/cluster/stats.asciidoc',
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@ -9,9 +9,10 @@ the cluster nodes statistics.
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[source,js]
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--------------------------------------------------
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curl -XGET 'http://localhost:9200/_nodes/stats'
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curl -XGET 'http://localhost:9200/_nodes/nodeId1,nodeId2/stats'
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GET /_nodes/stats
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GET /_nodes/nodeId1,nodeId2/stats
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--------------------------------------------------
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// CONSOLE
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The first command retrieves stats of all the nodes in the cluster. The
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second command selectively retrieves nodes stats of only `nodeId1` and
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@ -24,41 +25,41 @@ of `indices`, `os`, `process`, `jvm`, `transport`, `http`,
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[horizontal]
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`indices`::
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Indices stats about size, document count, indexing and
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deletion times, search times, field cache size, merges and flushes
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Indices stats about size, document count, indexing and
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deletion times, search times, field cache size, merges and flushes
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`fs`::
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File system information, data path, free disk space, read/write
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stats (see <<fs-info,FS information>>)
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File system information, data path, free disk space, read/write
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stats (see <<fs-info,FS information>>)
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`http`::
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HTTP connection information
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HTTP connection information
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`jvm`::
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JVM stats, memory pool information, garbage collection, buffer
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pools, number of loaded/unloaded classes
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JVM stats, memory pool information, garbage collection, buffer
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pools, number of loaded/unloaded classes
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`os`::
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Operating system stats, load average, mem, swap
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(see <<os-stats,OS statistics>>)
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Operating system stats, load average, mem, swap
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(see <<os-stats,OS statistics>>)
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`process`::
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Process statistics, memory consumption, cpu usage, open
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file descriptors (see <<process-stats,Process statistics>>)
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Process statistics, memory consumption, cpu usage, open
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file descriptors (see <<process-stats,Process statistics>>)
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`thread_pool`::
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Statistics about each thread pool, including current
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size, queue and rejected tasks
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Statistics about each thread pool, including current
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size, queue and rejected tasks
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`transport`::
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Transport statistics about sent and received bytes in
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cluster communication
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Transport statistics about sent and received bytes in
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cluster communication
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`breaker`::
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Statistics about the field data circuit breaker
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Statistics about the field data circuit breaker
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`discovery`::
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Statistics about the discovery
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Statistics about the discovery
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`ingest`::
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Statistics about ingest preprocessing
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@ -66,12 +67,15 @@ of `indices`, `os`, `process`, `jvm`, `transport`, `http`,
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[source,js]
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--------------------------------------------------
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# return just indices
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curl -XGET 'http://localhost:9200/_nodes/stats/indices'
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GET /_nodes/stats/indices
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# return just os and process
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curl -XGET 'http://localhost:9200/_nodes/stats/os,process'
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GET /_nodes/stats/os,process
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# return just process for node with IP address 10.0.0.1
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curl -XGET 'http://localhost:9200/_nodes/10.0.0.1/stats/process'
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GET /_nodes/10.0.0.1/stats/process
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--------------------------------------------------
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// CONSOLE
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All stats can be explicitly requested via `/_nodes/stats/_all` or `/_nodes/stats?metric=_all`.
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@ -83,42 +87,42 @@ The `fs` flag can be set to retrieve
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information that concern the file system:
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`fs.timestamp`::
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Last time the file stores statistics have been refreshed
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Last time the file stores statistics have been refreshed
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`fs.total.total_in_bytes`::
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Total size (in bytes) of all file stores
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Total size (in bytes) of all file stores
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`fs.total.free_in_bytes`::
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Total number of unallocated bytes in all file stores
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Total number of unallocated bytes in all file stores
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`fs.total.available_in_bytes`::
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Total number of bytes available to this Java virtual machine on all file stores
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Total number of bytes available to this Java virtual machine on all file stores
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`fs.data`::
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List of all file stores
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List of all file stores
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`fs.data.path`::
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Path to the file store
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Path to the file store
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`fs.data.mount`::
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Mount point of the file store (ex: /dev/sda2)
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Mount point of the file store (ex: /dev/sda2)
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`fs.data.type`::
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Type of the file store (ex: ext4)
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Type of the file store (ex: ext4)
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`fs.data.total_in_bytes`::
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Total size (in bytes) of the file store
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Total size (in bytes) of the file store
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`fs.data.free_in_bytes`::
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Total number of unallocated bytes in the file store
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Total number of unallocated bytes in the file store
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`fs.data.available_in_bytes`::
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Total number of bytes available to this Java virtual machine on this file store
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Total number of bytes available to this Java virtual machine on this file store
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`fs.data.spins` (Linux only)::
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Indicates if the file store is backed by spinning storage.
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`null` means we could not determine it, `true` means the device possibly spins
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and `false` means it does not (ex: solid-state disks).
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Indicates if the file store is backed by spinning storage.
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`null` means we could not determine it, `true` means the device possibly spins
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and `false` means it does not (ex: solid-state disks).
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`fs.io_stats.devices` (Linux only)::
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Array of disk metrics for each device that is backing an
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@ -177,7 +181,7 @@ The `os` flag can be set to retrieve statistics that concern
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the operating system:
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`os.timestamp`::
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Last time the operating system statistics have been refreshed
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Last time the operating system statistics have been refreshed
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`os.cpu.percent`::
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Recent CPU usage for the whole system, or -1 if not supported
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@ -193,28 +197,28 @@ the operating system:
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fifteen-minute load average is not available)
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`os.mem.total_in_bytes`::
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Total amount of physical memory in bytes
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Total amount of physical memory in bytes
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`os.mem.free_in_bytes`::
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Amount of free physical memory in bytes
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Amount of free physical memory in bytes
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`os.mem.free_percent`::
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Percentage of free memory
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Percentage of free memory
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`os.mem.used_in_bytes`::
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Amount of used physical memory in bytes
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Amount of used physical memory in bytes
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`os.mem.used_percent`::
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Percentage of used memory
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Percentage of used memory
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`os.swap.total_in_bytes`::
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Total amount of swap space in bytes
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Total amount of swap space in bytes
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`os.swap.free_in_bytes`::
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Amount of free swap space in bytes
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Amount of free swap space in bytes
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`os.swap.used_in_bytes`::
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Amount of used swap space in bytes
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Amount of used swap space in bytes
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`os.cgroup.cpuacct.control_group` (Linux only)::
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The `cpuacct` control group to which the Elasticsearch process
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@ -262,41 +266,44 @@ The `process` flag can be set to retrieve statistics that concern
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the current running process:
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`process.timestamp`::
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Last time the process statistics have been refreshed
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Last time the process statistics have been refreshed
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`process.open_file_descriptors`::
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Number of opened file descriptors associated with the current process, or -1 if not supported
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Number of opened file descriptors associated with the current process, or -1 if not supported
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`process.max_file_descriptors`::
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Maximum number of file descriptors allowed on the system, or -1 if not supported
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Maximum number of file descriptors allowed on the system, or -1 if not supported
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`process.cpu.percent`::
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CPU usage in percent, or -1 if not known at the time the stats are computed
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CPU usage in percent, or -1 if not known at the time the stats are computed
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`process.cpu.total_in_millis`::
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CPU time (in milliseconds) used by the process on which the Java virtual machine is running, or -1 if not supported
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CPU time (in milliseconds) used by the process on which the Java virtual machine is running, or -1 if not supported
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`process.mem.total_virtual_in_bytes`::
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Size in bytes of virtual memory that is guaranteed to be available to the running process
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Size in bytes of virtual memory that is guaranteed to be available to the running process
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[float]
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[[node-indices-stats]]
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=== Indices statistics
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You can get information about indices stats on node level or on index level.
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You can get information about indices stats on `node`, `indices`, or `shards` level.
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[source,js]
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--------------------------------------------------
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# Node level
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curl -XGET 'http://localhost:9200/_nodes/stats/indices/fielddata?fields=field1,field2&pretty'
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# Fielddata summarised by node
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GET /_nodes/stats/indices/fielddata?fields=field1,field2
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# Index level
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curl -XGET 'http://localhost:9200/_stats/fielddata/?fields=field1,field2&pretty'
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# Fielddata summarised by node and index
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GET /_nodes/stats/indices/fielddata?level=indices&fields=field1,field2
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# Fielddata summarised by node, index, and shard
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GET /_nodes/stats/indices/fielddata?level=shards&fields=field1,field2
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# You can use wildcards for field names
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curl -XGET 'http://localhost:9200/_nodes/stats/indices/fielddata?fields=field*&pretty'
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curl -XGET 'http://localhost:9200/_stats/fielddata/?fields=field*&pretty'
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GET /_nodes/stats/indices/fielddata?fields=field*
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--------------------------------------------------
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// CONSOLE
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Supported metrics are:
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@ -328,11 +335,12 @@ on this node.
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[source,js]
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--------------------------------------------------
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# All groups with all stats
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curl -XGET 'http://localhost:9200/_nodes/stats?pretty&groups=_all'
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GET /_nodes/stats?groups=_all
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# Some groups from just the indices stats
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curl -XGET 'http://localhost:9200/_nodes/stats/indices?pretty&groups=foo,bar'
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GET /_nodes/stats/indices?groups=foo,bar
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--------------------------------------------------
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// CONSOLE
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[float]
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[[ingest-stats]]
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