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https://issues.apache.org/jira/browse/HIVE-4620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13674549#comment-13674549
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Hudson commented on HIVE-4620:
------------------------------
Integrated in Hive-trunk-h0.21 #2127 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2127/])
HIVE-4620 MR temp directory conflicts in case of parallel execution mode
(Prasad Mujumdar via Navis) (Revision 1489226)
Result = FAILURE
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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