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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3616) Thread pool for launching containers in MR AM not expanding as expected
Date Thu, 19 Jul 2012 17:50:34 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated MAPREDUCE-3616:
---------------------------------------

    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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