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  1. Hadoop YARN
  2. YARN-6242 [Umbrella] Miscellaneous Scheduler Performance Improvements
  3. YARN-6681

Eliminate double-copy of child queues in canAssignToThisQueue

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    Description

      20% of the time in AbstractCSQueue#canAssignToThisQueue is spent performing two duplications a treemap of child queues into a list - once to test for null, second to see if it's empty. Eliminating the dups reduces the overhead to 2%.

      Attachments

        1. YARN-6681.trunk.patch
          3 kB
          Daryn Sharp
        2. YARN-6681.branch-2.8.patch
          3 kB
          Daryn Sharp
        3. YARN-6681.branch-2.patch
          3 kB
          Daryn Sharp
        4. YARN-6681.2.branch-2.8.patch
          3 kB
          Daryn Sharp
        5. YARN-6681.2.branch-2.patch
          3 kB
          Daryn Sharp
        6. YARN-6681.2.trunk.patch
          3 kB
          Daryn Sharp

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            daryn Daryn Sharp Assign to me
            daryn Daryn Sharp
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