Creation_date用于elasticsearch中的索引

Question

我在索引设置中添加了索引创建日期 下面

"settings" :{ 
  "index" :{ 
     "provided_name":"test",
     "creation_Date":"1493750591836",
     "number_of_shards" : "1",
     "number_of_replicas" : "0"
  }
 }

但是当我尝试发布_template时会出现以下错误

  "unknown setting [index.creation_date] please check that any required plugins are installed, or check the breaking changes documentation for removed settings"

这是否意味着创建时间设置不可用，请详细说明。我无法在中找到更多相关细节 https://twitter.com/Lexsa911/status/804008435020865536

使用的版本是5.1

Answer 1

您不能设置该设置，只能读取它。但是，您可以使用mappings._meta部分来存储自定义索引创建日期：

PUT my_index
{
  "settings" :{ 
   "index" :{ 
     "number_of_shards" : "1",
     "number_of_replicas" : "0"
    }
  },
  "mappings": {
    "test": {
      "_meta": { 
        "creation_date":"1493750591836"
      }
    }
  }
}