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https://issues.apache.org/jira/browse/MAPREDUCE-3616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated MAPREDUCE-3616:
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Component/s: mrv2
> Thread pool for launching containers in MR AM not expanding as expected
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-3616
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3616
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mr-am, mrv2, performance
> Affects Versions: 0.23.1
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3616-20120105.txt
>
>
> Found this while running some benchmarks on 350 nodes. The thread pool stays
> at 60 for a long time and only expands to 350 towards the fag end of the job.
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