Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-2734

DistCp with FairScheduler assign all map tasks in one TT

    Details

    • Type: Improvement Improvement
    • Status: Open
    • Priority: Trivial Trivial
    • Resolution: Unresolved
    • Affects Version/s: 0.21.0
    • Fix Version/s: None
    • Component/s: jobtracker
    • Labels:
      None

      Description

      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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          People

          • Assignee:
            Bochun Bai
            Reporter:
            Bochun Bai
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            Dates

            • Created:
              Updated:

              Development