1、获取cat命令列表:

curl –X GET 127.0.0.1:9200/_cat/

2、带用户名密码查看索引信息

curl –X GET -u username:password  'http://192.168.90.161:9200/_cat/'

3、查看索引信息及空间占用:

curl -XGET 127.0.0.1:9200/_cat/indices?v

4、清理指定索引空间

curl -X POST "127.0.0.1:9200/索引名/_delete_by_query" -H 'Content-Type: application/json' -d'

 {

 "query": {

 "match_all": {

 }

 }

 }

 '

5、删除索引

curl  -X DELETE "http://127.0.0.1:9200/索引名"

6、删除30天前的索引记录

curl -X POST "127.0.0.1:9200/索引名/_delete_by_query" -H 'Content-Type: application/json' -d'

{

    "query": {

        "range": {

            "@timestamp": {

                "lt": "now-30d",

                "format": "epoch_millis"

            }

        }

    }

}

7、crontab 定时清理30天前数据

0 1 * * * /usr/bin/curl -H'Content-Type:application/json' -d'{"query":{"range":{"@timestamp":{"lt":"now-30d","format":"epoch_millis"}}}}' -XPOST "http://127.0.0.1:9200/*-*/_delete_by_query?pretty" > /tmp/elk_clean.txt

8、修改带密码的索引副本数量

curl -u "elastic" -X PUT "192.168.1.55:9200/*/_settings" -H 'Content-Type: application/json' -d'

{

"index" : {

"number_of_replicas" : 2

}

}

'

 

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