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 } } '

用一个例子来演示会更加清晰