https://blog.csdn.net/qq_37129281/article/details/89293591
get _cluster/health get _cluster/state get _cluster/settings get _cluster/pending_tasks 注: get _cluster/health查看分片状态 get _cluster/state查看nodes,metadata, indices信息
get _cat/nodes?v #查看ip|heap.percent|ram.percent |load_1m|load_5m|load_15m |node.role |master |name get _nodes get _nodes/stats #这两条命令相同 #主要角色 "roles": [ "master", "data", "ingest" ], get _nodes/hot_threads get _nodes/node-1/hot_threads ::: {node-1}{BxHQfpeBRPq4CLOk61bOIQ}{-EzwOWxpTwyoekXMsssNIw}{192.168.11.73}{192.168.11.73:9300} Hot threads at 2017-11-16T05:14:55.330Z, interval=500ms, busiestThreads=3, ignoreIdleThreads=true: 10.3% (51.3ms out of 500ms) cpu usage by thread 'elasticsearch[node-1][bulk][T#2]' 9/10 snapshots sharing following 2 elements 3.5% (17.5ms out of 500ms) cpu usage by thread 'elasticsearch[node-1][refresh][T#1]' 10/10 snapshots sharing following 2 elements