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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1261

Enhance mumak to implement a 'stress-test' for the JobTracker

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: contrib/mumak
    • Labels:
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      Description

      I propose we enhance mumak to implement a proper 'stress-test' tool for the JobTracker. The idea is that we enhance mumak to have a mode where it can use the real JobTracker (and Scheduler of course) and mumak's SimulatedTaskTracker to run real workloads from production job-history traces. Clearly we will need to make necessary changes to allow the SimulatedTaskTrackers to run independently (a thread per SimulatedTT) in a distributed manner.

      We can then simulate very large clusters and workloads using a handful of machines (say ~50 machines to simulate workload which originally ran on a 4000 node cluster), also we can use this to stress the JobTracker with synthetic workloads.

      Thoughts?

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            • Assignee:
              Unassigned
              Reporter:
              acmurthy Arun C Murthy
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              • Created:
                Updated:
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