ElasticStack - 常用命令

查看ES健康状态

curl localhost:9200/_cluster/health?pretty

curl localhost:9200/_cluster/state?pretty

查看ES集群的设置

curl localhost:9200/_cluster/settings?pretty

查看ES在线的节点

curl localhost:9200/_cat/nodes?v
#查看主节点
curl localhost:9200/_cat/master

查看索引

curl localhost:9200/_cat/indices?v
#具体索引
curl localhost:9200/_cat/indices/{index}

查看分片

curl localhost:9200/_cat/shards
curl localhost:9200/_cat/shards/{index}

动态修改副本数（单节点可设置为0）

curl -H "Content-Type: application/json" -XPUT 'http://localhost:9200/_settings' -d '
 {
     "index" : {
        "number_of_replicas" : 0
     }
 }'

复制、重建索引

curl  -XPOST localhost:9200/_reindex -d '{
    "source":{
        "index":"message"
    },
    "dest":{
        "index":"new_message"
    }
}'

查询插件信息

curl localhost:9200/_cat/plugins