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  1. Hive
  2. HIVE-16289

add hints for semijoin reduction

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • None
    • None
    • None

    Description

      For now hints will only impact bloom filter size if semijoin is enabled.
      In a follow-up, after some cost-based semi-join decision logic is added, they may also influence it.

      Attachments

        1. HIVE-16289.patch
          52 kB
          Sergey Shelukhin
        2. HIVE-16289.01.patch
          52 kB
          Sergey Shelukhin

        Issue Links

          Is contained by

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-16423 Add hint to enforce semi join optimization

          • Major - Major loss of function.
          • Closed

          Activity

            People

              djaiswal Deepak Jaiswal
              sershe Sergey Shelukhin
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              Dates

                Created:
                Updated:
                Resolved: