elasticsearch查询操作

#查看节点信息
curl -X GET http://localhost:9200/_nodes

#打开文件数信息
curl -X GET http://localhost:9200/_nodes/stats/process?filter_path=**.max_file_descriptors

#集群健康状态
curl -X GET http://localhost:9200/_cat/health?v

#查看集群索引数
curl -X GET http://localhost:9200/_cat/indices?v

#查看磁盘分配情况
curl -X GET http://localhost:9200/_cat/allocation?v

#查看集群节点
curl -X GET http://localhost:9200/_cat/nodes?v

#查看集群其他信息
curl -X GET http://localhost:9200/_cat