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  1. Hadoop YARN
  2. YARN-2394

FairScheduler: Configure fairSharePreemptionThreshold per queue

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.6.0
    • Component/s: fairscheduler
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Preemption based on fair share starvation happens when usage of a queue is less than 50% of its fair share. This 50% is hardcoded. We'd like to make this configurable on a per queue basis, so that we can choose the threshold at which we want to preempt. Calling this config "fairSharePreemptionThreshold".

        Attachments

        1. YARN-2394-1.patch
          23 kB
          Wei Yan
        2. YARN-2394-2.patch
          34 kB
          Wei Yan
        3. YARN-2394-3.patch
          39 kB
          Wei Yan
        4. YARN-2394-4.patch
          46 kB
          Wei Yan
        5. YARN-2394-5.patch
          55 kB
          Wei Yan
        6. YARN-2394-6.patch
          56 kB
          Wei Yan
        7. YARN-2394-7.patch
          56 kB
          Wei Yan

          Activity

            People

            • Assignee:
              ywskycn Wei Yan
              Reporter:
              ashwinshankar77 Ashwin Shankar
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              Dates

              • Created:
                Updated:
                Resolved: