Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-2105

Simulate Load Incrementally and Adaptively in GridMix3


    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.22.0
    • Fix Version/s: 0.23.0
    • Component/s: contrib/gridmix
    • Labels:
    • Tags:
      gridmix emulation plugin


      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).

        Issue Links


          Ranjit Mathew created issue -
          Amar Kamat made changes -
          Field Original Value New Value
          Link This issue relates to MAPREDUCE-2115 [ MAPREDUCE-2115 ]
          Amar Kamat added a comment -

          Committed as part of MAPREDUCE-2106.

          Amar Kamat added a comment - Committed as part of MAPREDUCE-2106 .
          Amar Kamat made changes -
          Status Open [ 1 ] Resolved [ 5 ]
          Assignee Amar Kamat [ amar_kamat ]
          Fix Version/s 0.23.0 [ 12315570 ]
          Resolution Fixed [ 1 ]
          Tags gridmix emulation plugin
          Arun C Murthy made changes -
          Status Resolved [ 5 ] Closed [ 6 ]
          Transition Time In Source Status Execution Times Last Executer Last Execution Date
          Open Open Resolved Resolved
          253d 23h 36m 1 Amar Kamat 15/Jun/11 11:04
          Resolved Resolved Closed Closed
          152d 13h 44m 1 Arun C Murthy 15/Nov/11 00:49


            • Assignee:
              Amar Kamat
              Ranjit Mathew
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              • Created: