2013-12-10 05:15:57 -05:00
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[[cluster-stats]]
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== Cluster Stats
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The Cluster Stats API allows to retrieve statistics from a cluster wide perspective.
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The API returns basic index metrics (shard numbers, store size, memory usage) and
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information about the current nodes that form the cluster (number, roles, os, jvm
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versions, memory usage, cpu and installed plugins).
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[source,js]
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--------------------------------------------------
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curl -XGET 'http://localhost:9200/_cluster/stats?human'
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--------------------------------------------------
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Will return, for example:
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[source,js]
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--------------------------------------------------
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{
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"cluster_name": "elasticsearch",
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2013-12-18 05:51:28 -05:00
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"status": "green",
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2013-12-10 05:15:57 -05:00
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"indices": {
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"count": 3,
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"shards": {
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"total": 35,
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"primaries": 15,
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"replication": 1.333333333333333,
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"index": {
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"shards": {
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"min": 10,
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"max": 15,
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"avg": 11.66666666666666
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},
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"primaries": {
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"min": 5,
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"max": 5,
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"avg": 5
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},
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"replication": {
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"min": 1,
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"max": 2,
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"avg": 1.3333333333333333
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}
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}
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},
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"docs": {
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"count": 2,
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"deleted": 0
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},
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"store": {
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"size": "5.6kb",
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"size_in_bytes": 5770,
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"throttle_time": "0s",
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"throttle_time_in_millis": 0
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},
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"fielddata": {
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"memory_size": "0b",
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"memory_size_in_bytes": 0,
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"evictions": 0
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},
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"filter_cache": {
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"memory_size": "0b",
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"memory_size_in_bytes": 0,
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"evictions": 0
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},
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"id_cache": {
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"memory_size": "0b",
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"memory_size_in_bytes": 0
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},
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"completion": {
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"size": "0b",
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"size_in_bytes": 0
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},
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"segments": {
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"count": 2
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}
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},
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"nodes": {
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"count": {
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"total": 2,
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"master_only": 0,
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"data_only": 0,
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"master_data": 2,
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"client": 0
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},
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"versions": [
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"0.90.8"
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],
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"os": {
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"available_processors": 4,
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"mem": {
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"total": "8gb",
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"total_in_bytes": 8589934592
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},
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"cpu": [
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{
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"vendor": "Intel",
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"model": "MacBookAir5,2",
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"mhz": 2000,
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"total_cores": 4,
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"total_sockets": 4,
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"cores_per_socket": 16,
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"cache_size": "256b",
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"cache_size_in_bytes": 256,
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"count": 1
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}
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]
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},
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"process": {
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"cpu": {
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"percent": 3
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},
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"open_file_descriptors": {
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"min": 200,
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"max": 346,
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"avg": 273
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}
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2013-12-10 05:15:57 -05:00
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},
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"jvm": {
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"max_uptime": "24s",
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"max_uptime_in_millis": 24054,
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"version": [
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{
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"version": "1.6.0_45",
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"vm_name": "Java HotSpot(TM) 64-Bit Server VM",
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"vm_version": "20.45-b01-451",
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"vm_vendor": "Apple Inc.",
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"count": 2
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}
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],
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"mem": {
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"heap_used": "38.3mb",
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"heap_used_in_bytes": 40237120,
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"heap_max": "1.9gb",
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"heap_max_in_bytes": 2130051072
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},
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"threads": 89
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},
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"fs":
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{
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"total": "232.9gb",
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"total_in_bytes": 250140434432,
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"free": "31.3gb",
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"free_in_bytes": 33705881600,
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"available": "31.1gb",
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"available_in_bytes": 33443737600,
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"disk_reads": 21202753,
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"disk_writes": 27028840,
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"disk_io_op": 48231593,
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"disk_read_size": "528gb",
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"disk_read_size_in_bytes": 566980806656,
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"disk_write_size": "617.9gb",
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"disk_write_size_in_bytes": 663525366784,
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"disk_io_size": "1145.9gb",
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"disk_io_size_in_bytes": 1230506173440
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},
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"plugins": [
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// all plugins installed on nodes
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{
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"name": "inquisitor",
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"description": "",
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"url": "/_plugin/inquisitor/",
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"jvm": false,
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"site": true
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}
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]
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}
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}
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--------------------------------------------------
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