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https://issues.apache.org/jira/browse/MAPREDUCE-4299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411231#comment-13411231
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Hadoop QA commented on MAPREDUCE-4299:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12535965/MAPREDUCE-4299.patch
against trunk revision .
-1 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2570//console
This message is automatically generated.
> 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
> Attachments: 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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