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https://issues.apache.org/jira/browse/MAPREDUCE-4234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13426160#comment-13426160
]
Hudson commented on MAPREDUCE-4234:
-----------------------------------
Integrated in Hadoop-Common-trunk-Commit #2544 (See
[https://builds.apache.org/job/Hadoop-Common-trunk-Commit/2544/])
MAPREDUCE-4234. SortValidator.java is incompatible with multi-user or
parallel use (due to a /tmp file with static name) (Robert Evans via jeagles)
(Revision 1367789)
Result = SUCCESS
jeagles :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1367789
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/SortValidator.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/SortValidator.java
> SortValidator.java is incompatible with multi-user or parallel use (due to a
> /tmp file with static name)
> --------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4234
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4234
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: examples
> Affects Versions: 0.23.3, trunk
> Reporter: Randy Clayton
> Assignee: Robert Joseph Evans
> Priority: Minor
> Attachments: MAPREDUCE-4234.patch, MR-4234.txt, MR-4234.txt
>
>
> The SortValidator.java file checkRecords method creates a file in the
> /tmp/sortvalidator directory using a static filename. This can result in
> failures due to name collisions when the
> hadoop-mapreduce-client-jobclient-*-tests jar is used by more than one task
> or one user simultaneously. We use this jar when testing compression codecs
> and after we started running tests in parallel (four at a time to reduce
> overall test time) we started experiencing random test failures due to name
> collisions. Creating a random or unique per thread filename may resolve this
> issue. We have developed a change to introduce per use unique file names.
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