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  1. Pig
  2. PIG-5389

Passing null to REPLACE udf preventing JIT optimization

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Trivial
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.18.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Saw a case where runtime for tasks varied by 10 times for the same code, same input, and same node. Turns out Java was indecisive on enabling JIT optimization for REPLACE/Matcher/regex call path due to repetitive NPE thrown from inside.

        Attachments

        1. pig-5389-v01.patch
          0.6 kB
          Koji Noguchi

          Activity

            People

            • Assignee:
              knoguchi Koji Noguchi
              Reporter:
              knoguchi Koji Noguchi
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              Dates

              • Created:
                Updated:
                Resolved: