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elasticsearch系统状态查询

发表于 更新于 分类于 阅读次数： Valine：
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elasticsearch系统状态查询

elasticsearch提供了一套cat APIs来展示系统的状态

如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
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