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Posted to dev@pig.apache.org by "Koji Noguchi (JIRA)" <ji...@apache.org> on 2019/07/02 17:51:00 UTC

[jira] [Assigned] (PIG-5389) Passing null to REPLACE udf preventing JIT optimization

     [ https://issues.apache.org/jira/browse/PIG-5389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Koji Noguchi reassigned PIG-5389:
---------------------------------

    Assignee: Koji Noguchi

> Passing null to REPLACE udf preventing JIT optimization
> -------------------------------------------------------
>
>                 Key: PIG-5389
>                 URL: https://issues.apache.org/jira/browse/PIG-5389
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Koji Noguchi
>            Assignee: Koji Noguchi
>            Priority: Trivial
>
> 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.



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