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