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https://issues.apache.org/jira/browse/MAPREDUCE-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-3671:
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Issue Type: Sub-task (was: Bug)
Parent: MAPREDUCE-3561
> AM-NM RPC calls occasionally takes a long time to respond
> ---------------------------------------------------------
>
> Key: MAPREDUCE-3671
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3671
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2, nodemanager
> Affects Versions: 0.23.0
> Reporter: Siddharth Seth
>
> Observed while looking at MAPREDUCE-3596 and MAPREDUCE-3656.
> startContainer taking over a minute in some cases, otherwise 15 seconds. Both
> were observed soon after reduce tasks started. Network congestion ? Need more
> looking into.
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