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  1. Apache Tez
  2. TEZ-3816

Ability to automatically speculate single-task vertices

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.9.1
    • Component/s: None
    • Labels:
      None
    • Target Version/s:

      Description

      When a single-task vertex is unlucky, it lands on a very slow node. Speculation doesn't currently apply when there are no other tasks to compare with. It would be good to have a configurable timeout after which the tasks automatically speculate.

        Attachments

        1. TEZ-3816.001.patch
          5 kB
          Muhammad Samir Khan
        2. TEZ-3816.002.patch
          12 kB
          Muhammad Samir Khan
        3. TEZ-3816.003.patch
          12 kB
          Muhammad Samir Khan

          Activity

            People

            • Assignee:
              samkhan Muhammad Samir Khan
              Reporter:
              samkhan Muhammad Samir Khan
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              Dates

              • Created:
                Updated:
                Resolved: