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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4620) MR temp directory conflicts in case of parallel execution mode
Date Wed, 05 Jun 2013 03:02:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675547#comment-13675547
] 

Hudson commented on HIVE-4620:
------------------------------

Integrated in Hive-trunk-hadoop2 #225 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/225/])
    HIVE-4620 MR temp directory conflicts in case of parallel execution mode (Prasad Mujumdar
via Navis) (Revision 1489226)

     Result = ABORTED
navis : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1489226
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/Context.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TaskRunner.java

                
> 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, HIVE-4620-2.patch, HIVE-4620-3.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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