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  1. Hive
  2. HIVE-11546

Projected columns read size should be scaled to split size for ORC Splits

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.3.0, 2.0.0
    • 1.3.0, 2.0.0
    • None
    • None

    Description

      HIVE-10114 added projected columns data size information to OrcSplit which Tez Split Grouper can take advantage off (HIVE-7428). The annotated data size was for entire file and was not scaled to the split size.

      Attachments

        1. HIVE-11546.1.patch
          11 kB
          Prasanth Jayachandran

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HIVE-7428 OrcSplit fails to account for columnar projections in its size estimates

          • Major - Major loss of function.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-10114 Split strategies for ORC

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

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            People

              prasanth_j Prasanth Jayachandran
              prasanth_j Prasanth Jayachandran
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              Dates

                Created:
                Updated:
                Resolved: