1. curl -s -u elastic:Bdp1@elastic -H "Content-Type:application/json" -XPUT 10.150.92.11:9200/_all/_settings -d '{
    2. "index.requests.cache.enable": false
    3. }'

    压测场景,不去缓存读数据,而去通过磁盘拿数据,真正去评估集群的读取性能.