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https://issues.apache.org/jira/browse/MAPREDUCE-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-2646:
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Status: Patch Available (was: Open)
> MR-279: AM with same sized maps and reduces hangs in presence of failing maps
> -----------------------------------------------------------------------------
>
> Key: MAPREDUCE-2646
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2646
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Reporter: Sharad Agarwal
> Assignee: Sharad Agarwal
> Priority: Critical
> Attachments: MAPREDUCE-2646.patch, mr-2646.patch
>
>
> Currently AM can assign a container given by RM to any map or reduce. However
> RM allocates for a particular priority. This leads to AM and RM data
> structures going out of sync.
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