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https://issues.apache.org/jira/browse/MAPREDUCE-3376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173586#comment-13173586
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Hudson commented on MAPREDUCE-3376:
-----------------------------------
Integrated in Hadoop-Mapreduce-0.23-Commit #321 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-0.23-Commit/321/])
Merge -c 1221501 from trunk to branch-0.23 to fix MAPREDUCE-3376.
acmurthy :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1221502
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Task.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRAppWithCombiner.java
> Old mapred API combiner uses NULL reporter
> ------------------------------------------
>
> Key: MAPREDUCE-3376
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3376
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1, mrv2
> Affects Versions: 0.20.205.0, 0.23.0, 0.24.0
> Reporter: Robert Joseph Evans
> Assignee: Subroto Sanyal
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3376.patch
>
>
> The OldCombinerRunner class inside Task.java uses a NULL Reporter. If the
> combiner code runs for an extended period of time, even with reporting
> progress as it should, the map task can timeout and be killed. It appears
> that the NewCombinerRunner class uses a valid reporter and as such is not
> impacted by this bug.
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