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https://issues.apache.org/jira/browse/HIVE-1749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-1749:
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Resolution: Fixed
Fix Version/s: 0.7.0
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed. Thanks Siyng
> ExecMapper and ExecReducer reduce function calls to l4j.isInfoEnabled()
> -----------------------------------------------------------------------
>
> Key: HIVE-1749
> URL: https://issues.apache.org/jira/browse/HIVE-1749
> Project: Hive
> Issue Type: Improvement
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: HIVE-1749.1.patch
>
>
> Calling l4j.isInfoEnabled() is more expensive than we thought. By eliminating
> this function call, we can save 1% - 3% CPU time, according to the profiliing.
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