0.读写原理
https://www.jianshu.com/p/e8226138485d
数据模型
1.副本
curl -H 'Content-type:application/json' -XPUT '10.0.0.205:9200/*/_settings' -d ' { "index" : { "number_of_replicas" : 0 } } '
2.分片
curl -H 'Content-type:application/json' -XPUT '10.0.0.205:9200/*/_settings' -d ' { "index" : { "number_of_shards" : 2 } } '