ElasticSearch实战（三十三）-滚动查询

Posted 2021-10-09 张志翔ۤ

        深度分页查询会给ES集群性能带来极大损耗，滚动查询可以避免这种情况。

        注：不知道有啥用，感觉很鸡肋

        1、数据准备

PUT student
{
  "mappings" : {
    "properties" : {
      "name" : {
        "type" : "keyword"
      },
      "age" : {
        "type" : "integer"
      }
    }
  }
}


POST _bulk
{ "index" : { "_index" : "student", "_id" : "1" } }
{ "name" : "张三", "age": 12}
{ "index" : { "_index" : "student", "_id" : "2" } }
{ "name" : "李四", "age": 10 }
{ "index" : { "_index" : "student", "_id" : "3" } }
{ "name" : "王五", "age": 11 }
{ "index" : { "_index" : "student", "_id" : "4" } }
{ "