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  1. Pig
  2. PIG-4377

Skewed outer join produce wrong result if a key is oversampled

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.15.0
    • impl
    • None
    • Reviewed

    Description

      Skewed outer join produce more than expected rows under certain condition. The extra rows contain null left relation. Can be reproduced reliably with reproduce.patch (run SkewedJoin_11).

      Attachments

        1. PIG-4377-1.patch
          16 kB
          Daniel Dai
        2. PIG-4377-2.patch
          28 kB
          Daniel Dai
        3. PIG-4377-3.patch
          1 kB
          Daniel Dai
        4. PIG-4377-4.patch
          10 kB
          Daniel Dai
        5. reproduce.patch
          6 kB
          Daniel Dai

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              daijy Daniel Dai
              daijy Daniel Dai
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              Dates

                Created:
                Updated:
                Resolved: