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From dongjoon-hyun <...@git.apache.org>
Subject [GitHub] spark issue #22255: [SPARK-25102][Spark Core] Write Spark version informatio...
Date Fri, 02 Nov 2018 07:03:38 GMT
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/22255
  
    BTW, @rdblue recommended [key_value_metadata](https://github.com/apache/spark/pull/22255#issuecomment-418169189).
Are we going to `created_by` instead of `key_value_metadata`? Could you give me some advice,
@gatorsmile and @rdblue ?
    
    ```
      /** Optional key/value metadata **/
      5: optional list<KeyValue> key_value_metadata
    
      /** String for application that wrote this file.  This should be in the format
       * <Application> version <App Version> (build <App Build Hash>).
       * e.g. impala version 1.0 (build 6cf94d29b2b7115df4de2c06e2ab4326d721eb55)
       **/
      6: optional string created_by
    ```


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