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  1. Hive
  2. HIVE-10123

Hybrid grace Hash join : Use estimate key count from stats to initialize BytesBytesMultiHashMap

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.2.0
    • 1.2.0
    • Hive
    • None

    Description

      Hybrid grace Hash join is not using estimated number of rows from the statistics to initialize BytesBytesMultiHashMap.

      Add some logging to BytesBytesMultiHashMap to track get probes and use msec for expandAndRehash as us overflow.

      Attachments

        1. HIVE-10123.02.patch
          10 kB
          Mostafa Mokhtar
        2. HIVE-10123.01.patch
          9 kB
          Mostafa Mokhtar

        Issue Links

          relates to

          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

          Activity

            People

              mmokhtar Mostafa Mokhtar
              mmokhtar Mostafa Mokhtar
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              Dates

                Created:
                Updated:
                Resolved: