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https://issues.apache.org/jira/browse/MAPREDUCE-4299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414389#comment-13414389
]
Hudson commented on MAPREDUCE-4299:
-----------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #313 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/313/])
svn merge -c 1361397 FIXES: MAPREDUCE-4299. Terasort hangs with MR2
FifoScheduler (Tom White via bobby) (Revision 1361399)
Result = SUCCESS
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1361399
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestFifoScheduler.java
> Terasort hangs with MR2 FifoScheduler
> -------------------------------------
>
> Key: MAPREDUCE-4299
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4299
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.0.0-alpha
> Reporter: Tom White
> Assignee: Tom White
> Fix For: 0.23.3, 2.0.1-alpha, 3.0.0
>
> Attachments: MAPREDUCE-4299.patch, MAPREDUCE-4299.patch,
> MAPREDUCE-4299.patch
>
>
> What happens is that the number of reducers ramp up until they occupy all of
> the job's containers, at which point the maps no longer make any progress and
> the job hangs.
> When the same job is run with the CapacityScheduler it succeeds, so this
> looks like a FifoScheduler bug.
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