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  1. Hive
  2. HIVE-7926 long-lived daemons for query fragment execution, I/O and caching
  3. HIVE-9824

LLAP: Native Vectorization of Map Join

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Details

    • Sub-task
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • None
    • 1.2.0
    • None

    Description

      Today's VectorMapJoinOperator is a pass-through that converts each row from a vectorized row batch in a Java Object[] row and passes it to the MapJoinOperator superclass.

      This enhancement creates specialized vectorized map join operator classes that are optimized.

      Attachments

        1. HIVE-9824.01.patch
          1.21 MB
          Matt McCline
        2. HIVE-9824.02.patch
          1.20 MB
          Matt McCline
        3. HIVE-9824.04.patch
          1.58 MB
          Matt McCline
        4. HIVE-9824.06.patch
          1.45 MB
          Matt McCline
        5. HIVE-9824.07.patch
          1.31 MB
          Matt McCline
        6. HIVE-9824.08.patch
          1.31 MB
          Matt McCline
        7. HIVE-9824.09.patch
          1.32 MB
          Matt McCline

        Issue Links

          is related to

          Sub-task - The sub-task of the issue HIVE-11180 Enable native vectorized map join for spark [Spark Branch]

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

          Web Link RB #33281

          Activity

            People

              mmccline Matt McCline
              mmccline Matt McCline
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              Dates

                Created:
                Updated:
                Resolved: