统计elasticsearch总数据条数
http://192.168.188.69:9200/logstash-*/_count 其中count就是制定索引的总数据条数
统计总存储空间占用
http://192.168.188.69:9200/_cat/shards?v
logstash-API
curl -XGET 'localhost:9600/_node/stats/reloads' https://www.elastic.co/guide/en/logstash/7.1/node-stats-api.html