Hadoop Common
  1. Hadoop Common
  2. HADOOP-4230

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

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Blocker 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.

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

        Activity

        No work has yet been logged on this issue.

          People

          • Assignee:
            Ashish Thusoo
            Reporter:
            Zheng Shao
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            Dates

            • Created:
              Updated:
              Resolved:

              Development