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  1. Tajo
  2. TAJO-1311

Enable Scattered Hash Shuffle for CTAS statement.

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.11.0
    • Component/s: distributed query plan
    • Labels:
      None

      Description

      Currently, Tajo just use hash shuffle for CTAS statement. If you use large partitioned table for target table, you will see poor performance of wrong task number. Thus, we need to calculate the number for the partitioned table with scattered hash shuffle.

        Attachments

        1. TAJO-1311_3.patch
          39 kB
          Jaehwa Jung
        2. TAJO-1311_2.patch
          39 kB
          Jaehwa Jung
        3. TAJO-1311.patch
          39 kB
          Jaehwa Jung

          Activity

            People

            • Assignee:
              blrunner Jaehwa Jung
              Reporter:
              blrunner Jaehwa Jung
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              Dates

              • Created:
                Updated:
                Resolved: