Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-1306

[MUMAK] Randomize the arrival of heartbeat responses

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major 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
      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:
            Tamas Sarlos
            Reporter:
            Tamas Sarlos
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            Dates

            • Created:
              Updated:
              Resolved:

              Development