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From "Vinod Kumar Vavilapalli (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3616) Thread pool for launching containers in MR AM not expanding as expected
Date Wed, 04 Jan 2012 17:16:40 GMT
Thread pool for launching containers in MR AM not expanding as expected
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                 Key: MAPREDUCE-3616
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3616
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mr-am, performance
    Affects Versions: 0.23.1
            Reporter: Vinod Kumar Vavilapalli
            Assignee: Vinod Kumar Vavilapalli
             Fix For: 0.23.1


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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