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https://issues.apache.org/jira/browse/MAPREDUCE-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13060304#comment-13060304
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Sharad Agarwal commented on MAPREDUCE-2646:
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Vinod and I discussed this. It seems like in the returned container list from
RM, priority at which the respective
container got allocated is needed. Without which AM cant update the ask/release
data structures correctly leading to
resource table in AM and RM going out of sync.
> 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
> Reporter: Sharad Agarwal
> Assignee: Sharad Agarwal
>
> 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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