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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| [[cluster-stats]] | ||
| == Cluster Stats | ||
|
|
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| added[0.90.8] | ||
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| The Cluster Stats API allows to retrieve statistics from a cluster wide perspective. | ||
| The API returns basic index metrics (shard numbers, store size, memory usage) and | ||
| information about the current nodes that form the cluster (number, roles, os, jvm | ||
| versions, memory usage, cpu and installed plugins). | ||
|
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||
| [source,js] | ||
| -------------------------------------------------- | ||
| curl -XGET 'http://localhost:9200/_cluster/stats?human' | ||
| -------------------------------------------------- | ||
|
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||
| Will return, for example: | ||
| [source,js] | ||
| -------------------------------------------------- | ||
| { | ||
| "cluster_name": "elasticsearch", | ||
| "indices": { | ||
| "count": 3, | ||
| "shards": { | ||
| "total": 35, | ||
| "primaries": 15, | ||
| "replication": 1.333333333333333, | ||
| "index": { | ||
| "shards": { | ||
| "min": 10, | ||
| "max": 15, | ||
| "avg": 11.66666666666666 | ||
| }, | ||
| "primaries": { | ||
| "min": 5, | ||
| "max": 5, | ||
| "avg": 5 | ||
| }, | ||
| "replication": { | ||
| "min": 1, | ||
| "max": 2, | ||
| "avg": 1.3333333333333333 | ||
| } | ||
| } | ||
| }, | ||
| "docs": { | ||
| "count": 2, | ||
| "deleted": 0 | ||
| }, | ||
| "store": { | ||
| "size": "5.6kb", | ||
| "size_in_bytes": 5770, | ||
| "throttle_time": "0s", | ||
| "throttle_time_in_millis": 0 | ||
| }, | ||
| "fielddata": { | ||
| "memory_size": "0b", | ||
| "memory_size_in_bytes": 0, | ||
| "evictions": 0 | ||
| }, | ||
| "filter_cache": { | ||
| "memory_size": "0b", | ||
| "memory_size_in_bytes": 0, | ||
| "evictions": 0 | ||
| }, | ||
| "id_cache": { | ||
| "memory_size": "0b", | ||
| "memory_size_in_bytes": 0 | ||
| }, | ||
| "completion": { | ||
| "size": "0b", | ||
| "size_in_bytes": 0 | ||
| }, | ||
| "segments": { | ||
| "count": 2 | ||
| } | ||
| }, | ||
| "nodes": { | ||
| "count": { | ||
| "total": 2, | ||
| "master_only": 0, | ||
| "data_only": 0, | ||
| "master_data": 2, | ||
| "client": 0 | ||
| }, | ||
| "versions": [ | ||
| "0.90.8" | ||
| ], | ||
| "os": { | ||
| "available_processors": 4, | ||
| "mem": { | ||
| "total": "8gb", | ||
| "total_in_bytes": 8589934592 | ||
| }, | ||
| "cpu": [ | ||
| { | ||
| "vendor": "Intel", | ||
| "model": "MacBookAir5,2", | ||
| "mhz": 2000, | ||
| "total_cores": 4, | ||
| "total_sockets": 4, | ||
| "cores_per_socket": 16, | ||
| "cache_size": "256b", | ||
| "cache_size_in_bytes": 256, | ||
| "count": 1 | ||
| } | ||
| ] | ||
| }, | ||
| "process": { | ||
| "cpu": { | ||
| "percent": 3 | ||
| }, | ||
| "avg_open_file_descriptors": 218 | ||
| }, | ||
| "jvm": { | ||
| "max_uptime": "24s", | ||
| "max_uptime_in_millis": 24054, | ||
| "version": [ | ||
| { | ||
| "version": "1.6.0_45", | ||
| "vm_name": "Java HotSpot(TM) 64-Bit Server VM", | ||
| "vm_version": "20.45-b01-451", | ||
| "vm_vendor": "Apple Inc.", | ||
| "count": 2 | ||
| } | ||
| ], | ||
| "mem": { | ||
| "heap_used": "38.3mb", | ||
| "heap_used_in_bytes": 40237120, | ||
| "heap_max": "1.9gb", | ||
| "heap_max_in_bytes": 2130051072 | ||
| }, | ||
| "threads": 89 | ||
| }, | ||
| "fs": | ||
| { | ||
| "total": "232.9gb", | ||
| "total_in_bytes": 250140434432, | ||
| "free": "31.3gb", | ||
| "free_in_bytes": 33705881600, | ||
| "available": "31.1gb", | ||
| "available_in_bytes": 33443737600, | ||
| "disk_reads": 21202753, | ||
| "disk_writes": 27028840, | ||
| "disk_io_op": 48231593, | ||
| "disk_read_size": "528gb", | ||
| "disk_read_size_in_bytes": 566980806656, | ||
| "disk_write_size": "617.9gb", | ||
| "disk_write_size_in_bytes": 663525366784, | ||
| "disk_io_size": "1145.9gb", | ||
| "disk_io_size_in_bytes": 1230506173440 | ||
| }, | ||
| "plugins": [ | ||
| // all plugins installed on nodes | ||
| { | ||
| "name": "inquisitor", | ||
| "description": "", | ||
| "url": "/_plugin/inquisitor/", | ||
| "jvm": false, | ||
| "site": true | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| -------------------------------------------------- | ||
|
|
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45
src/main/java/org/elasticsearch/action/admin/cluster/stats/ClusterStatsAction.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Licensed to ElasticSearch and Shay Banon under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. ElasticSearch licenses this | ||
| * file to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| package org.elasticsearch.action.admin.cluster.stats; | ||
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| import org.elasticsearch.action.admin.cluster.ClusterAction; | ||
| import org.elasticsearch.client.ClusterAdminClient; | ||
|
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| /** | ||
| */ | ||
| public class ClusterStatsAction extends ClusterAction<ClusterStatsRequest, ClusterStatsResponse, ClusterStatsRequestBuilder> { | ||
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| public static final ClusterStatsAction INSTANCE = new ClusterStatsAction(); | ||
| public static final String NAME = "cluster/stats"; | ||
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| private ClusterStatsAction() { | ||
| super(NAME); | ||
| } | ||
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| @Override | ||
| public ClusterStatsResponse newResponse() { | ||
| return new ClusterStatsResponse(); | ||
| } | ||
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| @Override | ||
| public ClusterStatsRequestBuilder newRequestBuilder(ClusterAdminClient client) { | ||
| return new ClusterStatsRequestBuilder(client); | ||
| } | ||
| } |
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