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Posted to issues@aurora.apache.org by "Mehrdad Nurolahzade (JIRA)" <ji...@apache.org> on 2017/02/16 21:40:41 UTC

[jira] [Created] (AURORA-1894) Inline preemption filter in PreemptionVictimFilterImpl

Mehrdad Nurolahzade created AURORA-1894:
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             Summary: Inline preemption filter in PreemptionVictimFilterImpl
                 Key: AURORA-1894
                 URL: https://issues.apache.org/jira/browse/AURORA-1894
             Project: Aurora
          Issue Type: Task
          Components: Scheduler
            Reporter: Mehrdad Nurolahzade
            Priority: Minor


Profiling preemption logic, I can see {{org.apache.aurora.scheduler.preemptor.PreemptionVictimFilter.PreemptionVictimFilterImpl#preemptionFilter()}} is producing ~200K/sec lambda objects to be used by {{filterPreemptionVictims()}}:
{code:title=PreemptionVictimFilterImpl.filterPreemptionVictims()}
      FluentIterable<PreemptionVictim> preemptableTasks = FluentIterable.from(possibleVictims)
          .filter(preemptionFilter(pendingTask));
{code}

Inline this logic (refactor to loop) to remove the need to create these short-lived lambda objects.



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