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https://issues.apache.org/jira/browse/HIVE-5668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808775#comment-13808775
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Gunther Hagleitner commented on HIVE-5668:
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[~thejas]. I think you're supposed to say: Committed to trunk. Thanks Thejas!
:-P
> path normalization in MapOperator is expensive
> ----------------------------------------------
>
> Key: HIVE-5668
> URL: https://issues.apache.org/jira/browse/HIVE-5668
> Project: Hive
> Issue Type: Bug
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.13.0
>
> Attachments: HIVE-5668.1.patch
>
>
> The conversion of paths in MapWork.getPathToAliases is happening multiple
> times in MapOperator.cleanUpInputFileChangedOp. Caching the results of
> conversion can improve the performance of hive map tasks.
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