ES操作：linux命令

查询数据库所有索引

没有密码

curl -X GET "http://localhost:9200/_cat/indices?v"

有密码

curl -u elastic:my_password -X GET "http://localhost:9200/_cat/indices?v"

删除索引

curl-X DELETE "http://localhost:9200/index_XXX"

不删索引，只清空索引的文档

curl -X POST "http://localhost:9200/index_XXX/_delete_by_query" -H 'Content-Type: application/json' -d'
{"query": {"match_all": {}}
}
'