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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2105

Simulate Load Incrementally and Adaptively in GridMix3

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.22.0
    • 0.23.0
    • contrib/gridmix
    • None
    • 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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        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-2115 [GridMix] Add emulation plugin support in GridMix

          • Major - Major loss of function.
          • Closed

          Activity

            People

              amar_kamat Amar Kamat
              ranjit Ranjit Mathew
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              Dates

                Created:
                Updated:
                Resolved: