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Posted to mapreduce-dev@hadoop.apache.org by "Bochun Bai (JIRA)" <ji...@apache.org> on 2011/07/27 13:23:09 UTC

[jira] [Created] (MAPREDUCE-2734) DistCp with FairScheduler assign all map tasks in one TT

DistCp with FairScheduler assign all map tasks in one TT
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                 Key: MAPREDUCE-2734
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2734
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: distcp
    Affects Versions: 0.21.0
            Reporter: Bochun Bai


1 Using FairScheduler.
2 distcp a directory contains 5 files.

The DistCp job will launch 5 map tasks, and FairScheduler assign them to one TaskTracker.
It should be assigned different, like the original JobQueueScheduler.


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