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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4620) MR temp directory conflicts in case of parallel execution mode
Date Fri, 31 May 2013 03:29:27 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13671105#comment-13671105
] 

Navis commented on HIVE-4620:
-----------------------------

Return value of TaskRunner#getTaskID() is not a task id but a task runner id, which can be
a little confusing. Could you address that? Thanks.
                
> MR temp directory conflicts in case of parallel execution mode
> --------------------------------------------------------------
>
>                 Key: HIVE-4620
>                 URL: https://issues.apache.org/jira/browse/HIVE-4620
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Prasad Mujumdar
>            Assignee: Prasad Mujumdar
>             Fix For: 0.12.0
>
>         Attachments: HIVE-4620-1.patch
>
>
> In parallel query execution mode, all the parallel running task ends up sharing the same
temp/scratch directory. This could lead to file conflicts and temp files getting deleted before
the job completion.

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