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elasticsearch系统状态查询

elasticsearch系统状态查询

elasticsearch提供了一套cat APIs来展示系统的状态

GET /_cat/allocation?v

  • aliases 别名信息

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    alias  index filter routing.index routing.search
    alias1 test1 - - -
    alias2 test1 * - -
    alias3 test1 - 1 1
    alias4 test1 - 2 1,2
  • allocation 数据节点的分片快照以及使用的磁盘空间大小

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    shards disk.indices disk.used disk.avail disk.total disk.percent host      ip        node
    5 260b 47.3gb 43.4gb 100.7gb 46 127.0.0.1 127.0.0.1 CSUXak2
  • count 节点的文档总数

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    epoch      timestamp count
    1475868259 15:24:19 121
  • fielddata 每个数据节点上正在使用的堆内存

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    id                     host      ip        node    field   size
    Nqk-6inXQq-OxUfOUI8jNQ 127.0.0.1 127.0.0.1 Nqk-6in body 544b
    Nqk-6inXQq-OxUfOUI8jNQ 127.0.0.1 127.0.0.1 Nqk-6in soul 480b
  • health 健康情况

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    epoch      timestamp cluster       status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
    1475871424 16:17:04 elasticsearch green 1 1 5 5 0 0 0 0 - 100.0%
  • indices 节点下的索引信息,可以得到索引的分片、文档、存储大小等信息

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    health status index    uuid                   pri rep docs.count docs.deleted store.size pri.store.size
    yellow open twitter u8FNjxh8Rfy_awN11oDKYQ 1 1 1200 0 88.1kb 88.1kb
    green open twitter2 nYFWZEO7TUiOjLQXBaYJpA 5 0 0 0 260b 260b
  • master 显示master节点的概要信息

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    id                     host      ip        node
    YzWoH_2BT-6UjVGDyPdqYg 127.0.0.1 127.0.0.1 YzWoH_2
  • nodeattrs 显示自定义节点属性

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    node    host      ip        attr     value
    ...
    node-0 127.0.0.1 127.0.0.1 testattr test
    ...
  • nodes 节点相关信息

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    ip        heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
    127.0.0.1 65 99 42 3.07 mdi * mJw06l1
  • pending tasks 集群任务接口

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    insertOrder timeInQueue priority source
    1685 855ms HIGH update-mapping [foo][t]
    1686 843ms HIGH update-mapping [foo][t]
    1693 753ms HIGH refresh-mapping [foo][[t]]
    1688 816ms HIGH update-mapping [foo][t]
    1689 802ms HIGH update-mapping [foo][t]
    1690 787ms HIGH update-mapping [foo][t]
    1691 773ms HIGH update-mapping [foo][t]
  • plugins 集群中插件安装的信息

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    name    component               version   description
    U7321H6 analysis-icu 6.8.23 The ICU Analysis plugin integrates the Lucene ICU module into Elasticsearch, adding ICU-related analysis components.
    U7321H6 analysis-kuromoji 6.8.23 The Japanese (kuromoji) Analysis plugin integrates Lucene kuromoji analysis module into elasticsearch.
    U7321H6 analysis-nori 6.8.23 The Korean (nori) Analysis plugin integrates Lucene nori analysis module into elasticsearch.
    U7321H6 analysis-phonetic 6.8.23 The Phonetic Analysis plugin integrates phonetic token filter analysis with elasticsearch.
    U7321H6 analysis-smartcn 6.8.23 Smart Chinese Analysis plugin integrates Lucene Smart Chinese analysis module into elasticsearch.
    U7321H6 analysis-stempel 6.8.23 The Stempel (Polish) Analysis plugin integrates Lucene stempel (polish) analysis module into elasticsearch.
    U7321H6 analysis-ukrainian 6.8.23 The Ukrainian Analysis plugin integrates the Lucene UkrainianMorfologikAnalyzer into elasticsearch.
    U7321H6 discovery-azure-classic 6.8.23 The Azure Classic Discovery plugin allows to use Azure Classic API for the unicast discovery mechanism
    U7321H6 discovery-ec2 6.8.23 The EC2 discovery plugin allows to use AWS API for the unicast discovery mechanism.
    U7321H6 discovery-file 6.8.23 Discovery file plugin enables unicast discovery from hosts stored in a file.
    U7321H6 discovery-gce 6.8.23 The Google Compute Engine (GCE) Discovery plugin allows to use GCE API for the unicast discovery mechanism.
    U7321H6 ingest-attachment 6.8.23 Ingest processor that uses Apache Tika to extract contents
    U7321H6 mapper-annotated-text 6.8.23 The Mapper Annotated_text plugin adds support for text fields with markup used to inject annotation tokens into the index.
    U7321H6 mapper-murmur3 6.8.23 The Mapper Murmur3 plugin allows to compute hashes of a field's values at index-time and to store them in the index.
    U7321H6 mapper-size 6.8.23 The Mapper Size plugin allows document to record their uncompressed size at index time.
    U7321H6 store-smb 6.8.23 The Store SMB plugin adds support for SMB stores.
  • recovery 正在进行和以前完成的索引分片的回收率

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    index   shard time type  stage source_host source_node target_host target_node repository snapshot files files_recovered files_percent files_total bytes bytes_recovered bytes_percent bytes_total translog_ops translog_ops_recovered translog_ops_percent
    twitter 0 13ms store done n/a n/a 127.0.0.1 node-0 n/a n/a 0 0 100% 13 0 0 100% 9928 0 0 100.0%
  • repositories 集群中注册的快照库

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    id    type
    repo1 fs
    repo2 s3
  • thread pool 集群节点中的线程池统计

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    node-0 analyze             0 0 0
    ...
    node-0 fetch_shard_started 0 0 0
    node-0 fetch_shard_store 0 0 0
    node-0 flush 0 0 0
    ...
    node-0 write 0 0 0
  • shards 索引分片的使用情况

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    twitter 0 p STARTED 3014 31.1mb 192.168.56.10 H5dfFeA
  • segments 索引分片中低水平段的信息

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    index shard prirep ip        segment generation docs.count docs.deleted size size.memory committed searchable version compound
    test 3 p 127.0.0.1 _0 0 1 0 3kb 2042 false true 7.7.3 true
    test1 3 p 127.0.0.1 _0 0 1 0 3kb 2042 false true 7.7.3 true
  • snapshots 仓库的快照信息

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    id     status start_epoch start_time end_epoch  end_time duration indices successful_shards failed_shards total_shards
    snap1 FAILED 1445616705 18:11:45 1445616978 18:16:18 4.6m 1 4 1 5
    snap2 SUCCESS 1445634298 23:04:58 1445634672 23:11:12 6.2m 2 10 0 10
  • templates 模板信息

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    name      index_patterns order version
    template0 [te*] 0
    template1 [tea*] 1
    template2 [teak*] 2 7