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  1. Hadoop Common
  2. HADOOP-4230

Hive: GroupBy should not pass the whole row from mapper to reducer

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.19.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      We only need to pass fields that are needed.

        Attachments

        1. 127367-2.patch
          1.57 MB
          Joydeep Sen Sarma

          Activity

            People

            • Assignee:
              athusoo Ashish Thusoo
              Reporter:
              zshao Zheng Shao
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              Dates

              • Created:
                Updated:
                Resolved: