Elasticsearch集群状态查看常用指令
cat api使用
curl http://localhost:9200/_cat?help
=^.^=
/_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/nodes?help 查看帮助参数
?v 输出列名
集群状态
curl localhost:9200/_cluster/health
curl localhost:9200/_cluster/state
curl localhost:9200/_cluster/settings
curl localhost:9200/_cluster/pending_tasks
节点状态
curl localhost:9200/_cat/nodes?v
curl localhost:9200/_nodes
curl localhost:9200/_nodes/stats
curl localhost:9200/_nodes/hot_threads
curl localhost:9200/_nodes/node-1/hot_threads
索引状态
curl localhost:9200/_cat/indices?v
curl localhost:9200/ _all?pretty
curl localhost:9200/_all/_stats
健康状态
curl localhost:9200/_cluster/health?pretty&level=indices
查看单个索引状态
curl localhost:9200/index_name/_stats
curl localhost:9200/index_name/_count
#查看mapping逻辑结构
curl localhost:9200/index_name/_mapping
查看物理结构
curl localhost:9200/index_name/_search_shards
curl localhost:9200/index_name/_segments
分片状态
curl localhost:9200/_cat/shards?help
curl localhost:9200/_cat/shards?v&h=index,shard,state,docs,store,ip,unassigned.reason,unassigned.details
查看线程池
curl localhost:9200/_cat/thread_pool/?v
查看分片分配状态
curl localhost:9200/_cluster/allocation/explain?pretty