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  1. Hive
  2. HIVE-9248

Vectorization : Tez Reduce vertex not getting vectorized when GROUP BY is Hash mode

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 0.14.0
    • 2.0.0
    • Tez, Vectorization
    • None

    Description

      Under Tez and Vectorization, ReduceWork not getting vectorized unless it GROUP BY operator is MergePartial. Add valid cases where GROUP BY is Hash (and presumably there are downstream reducers that will do MergePartial).

      Attachments

        1. HIVE-9248.01.patch
          34 kB
          Matt McCline
        2. HIVE-9248.02.patch
          34 kB
          Matt McCline
        3. HIVE-9248.03.patch
          30 kB
          Matt McCline
        4. HIVE-9248.04.patch
          30 kB
          Matt McCline
        5. HIVE-9248.05.patch
          59 kB
          Matt McCline
        6. HIVE-9248.06.patch
          22 kB
          Matt McCline

        Issue Links

          links to

          Web Link RB #29902

          Activity

            People

              mmccline Matt McCline
              mmccline Matt McCline
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              Dates

                Created:
                Updated:
                Resolved: