ElasticSearch集群状态查看命令大全 && 刨根问底 | Elasticsearch 5.X集群多节点角色配置深入详解

https://blog.csdn.net/pilihaotian/article/details/52460747

Elasticsearch中信息很多,同时ES也有很多信息查看命令,可以帮助开发者快速查询Elasticsearch的相关信息。

  • _cat
$ curl localhost:9200/_cat
=^.^=
/_cat/allocation
/_cat/shards
/_cat/shards/{index}
/_cat/master
/_cat/nodes
/_cat/indices
/_cat/indices/{index}
/_cat/segments
/_cat/segments/{index}
/_cat/count
/_cat/count/{index}
/_cat/recovery
/_cat/recovery/{index}
/_cat/health
/_cat/pending_tasks
/_cat/aliases
/_cat/aliases/{alias}
/_cat/thread_pool
/_cat/plugins
/_cat/fielddata
/_cat/fielddata/{fields}
/_cat/nodeattrs
/_cat/repositories
/_cat/snapshots/{repository}
  • verbose
    每个命令都支持使用?v参数,来显示详细的信息:
$ curl localhost:9200/_cat/master?v
id                     host      ip        node
yBet3cYzQbC68FRzLZDmFg 127.0.0.1 127.0.0.1 lihao
  • help
    每个命令都支持使用help参数,来输出可以显示的列:
$ curl localhost:9200/_cat/master?help
id   |   | node id
host | h | host name
ip   |   | ip address
node | n | node name
  • headers
    通过h参数,可以指定输出的字段:
$ curl localhost:9200/_cat/master?v
id                     host      ip        node
yBet3cYzQbC68FRzLZDmFg  127.0.0.1 127.0.0.1 lihao

$ curl localhost:9200/_cat/master?h=ip,node
127.0.0.1 lihao
  • 数字类型的格式化
    很多的命令都支持返回可读性的大小数字,比如使用mb或者kb来表示。
$ curl localhost:9200/_cat/indices?v
health status index                   pri rep docs.count docs.deleted store.size pri.store.size
yellow open   aaa                       5   1          2            0      7.2kb          7.2kb
yellow open   logstash-eos-2016.09.01   5   1        297            0    202.3kb        202.3kb
yellow open   bank                      5   1       1001            1    451.6kb        451.6kb
yellow open   website                   5   1          2            0      7.8kb          7.8kb
yellow open   .kibana                   1   1          5            1     26.6kb         26.6kb
yellow open   logstash-eos-2016.09.02   5   1         11            0     33.9kb         33.9kb
yellow open   test-2016.09.01           5   1          1            0      3.9kb          3.9kb
yellow open   testst_index              5   1          0            0       795b           795b

刨根问底 | Elasticsearch 5.X集群多节点角色配置深入详解
https://blog.csdn.net/laoyang360/article/details/78290484

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