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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5668) path normalization in MapOperator is expensive
Date Tue, 29 Oct 2013 19:35:25 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thejas M Nair updated HIVE-5668:
--------------------------------

       Resolution: Fixed
    Fix Version/s: 0.13.0
           Status: Resolved  (was: Patch Available)

Patch committed to trunk.
Thanks for the review Gunther!


> 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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