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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2105

Simulate Load Incrementally and Adaptively in GridMix3

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.22.0
    • Fix Version/s: 0.23.0
    • Component/s: contrib/gridmix
    • Labels:
      None
    • Tags:
      gridmix emulation plugin

      Description

      Tasks launched by GridMix3 should incrementally and adaptively simulate load (I/O, CPU, memory, etc.) rather than doing
      everything upfront and then sleeping. This helps in evening out the load when fine-grained information from the original
      Task is not available and greater accuracy when it is.

      By "incremental" I mean having several iterations corresponding to appropriate phases/time-slices. By "adaptive" I mean
      taking the existing load into account before inflicting additional load to meet a target load (we are unlikely to achieve
      100% fidelity as we overshoot or undershoot with each iteration).

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              • Assignee:
                amar_kamat Amar Kamat
                Reporter:
                ranjit Ranjit Mathew
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                • Created:
                  Updated:
                  Resolved: