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https://issues.apache.org/jira/browse/HIVE-2929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249219#comment-13249219
]
Hudson commented on HIVE-2929:
------------------------------
Integrated in Hive-trunk-h0.21 #1360 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/1360/])
HIVE-2929 race condition in DAG execute tasks for hive (Namit Jain via
Siying Dong) (Revision 1310619)
Result = ABORTED
sdong : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1310619
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/HadoopJobExecHelper.java
> race condition in DAG execute tasks for hive
> --------------------------------------------
>
> Key: HIVE-2929
> URL: https://issues.apache.org/jira/browse/HIVE-2929
> Project: Hive
> Issue Type: Bug
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.2929.1.patch
>
>
> select ...
> (
> SubQuery involving MapReduce
> union all
> SubQuery involving MapReduce
> );
> or
> select ...
> (SubQuery involving MapReduce)
> join
> (SubQuery involving MapReduce)
> ;
> If both the subQueries finish at nearly the same time, there is a race
> condition in which the results of the subQuery finishing last will be
> completely missed.
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