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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1306

[MUMAK] Randomize the arrival of heartbeat responses

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.21.0, 0.22.0
    • Fix Version/s: 0.21.0
    • Component/s: contrib/mumak
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      [MUMAK] Randomize the arrival of heartbeat responses

      Description

      We propose to make the following changes to mumak, MAPREDUCE-728

      • make the timing of heartbeat responses more realistic by adding an option to randomly perturb them
      • randomize the startup time of task trackers in a fixed interval
      • remove 2 magic constants from SimulatorEngine and make sure that the first job is submitted only after the entire cluster is up and running

        Attachments

        1. MAPREDUCE-1306-20100108.patch
          16 kB
          Tamas Sarlos
        2. MAPREDUCE-1306-20100308.patch
          38 kB
          Tamas Sarlos
        3. MAPREDUCE-1306-20100308-hong.patch
          40 kB
          Hong Tang

          Activity

            People

            • Assignee:
              stamas Tamas Sarlos
              Reporter:
              stamas Tamas Sarlos
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              Dates

              • Created:
                Updated:
                Resolved: