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  1. Hive
  2. HIVE-10403

Add n-way join support for Hybrid Grace Hash Join

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.2.0
    • 1.3.0, 2.0.0
    • None

    Description

      Currently Hybrid Grace Hash Join only supports 2-way join (one big table and one small table). This task will enable n-way join (one big table and multiple small tables).

      Attachments

        1. HIVE-10403.01.patch
          197 kB
          Wei Zheng
        2. HIVE-10403.02.patch
          213 kB
          Wei Zheng
        3. HIVE-10403.03.patch
          217 kB
          Wei Zheng
        4. HIVE-10403.04.patch
          282 kB
          Wei Zheng
        5. HIVE-10403.06.patch
          283 kB
          Wei Zheng
        6. HIVE-10403.07.patch
          283 kB
          Wei Zheng
        7. HIVE-10403.08.patch
          288 kB
          Wei Zheng

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. HIVE-17783 Hybrid Grace Hash Join has performance degradation for N-way join using Hive on Tez

          • Major - Major loss of function.
          • Open

          New Feature - A new feature of the product, which has yet to be developed. HIVE-9277 Hybrid Hybrid Grace Hash Join

          • Major - Major loss of function.
          • Closed
          links to

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          Activity

            People

              wzheng Wei Zheng
              wzheng Wei Zheng
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              Dates

                Created:
                Updated:
                Resolved: