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Posted to yarn-dev@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2016/11/16 22:48:58 UTC

[jira] [Created] (YARN-5893) Experiment with using PriorityQueue for storing starved applications

Karthik Kambatla created YARN-5893:
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             Summary: Experiment with using PriorityQueue for storing starved applications
                 Key: YARN-5893
                 URL: https://issues.apache.org/jira/browse/YARN-5893
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: fairscheduler
    Affects Versions: 2.9.0
            Reporter: Karthik Kambatla


FSStarvedApps currently uses a BlockingQueue to store starved applications. This leads to storing the apps in the order they were processed instead of their priorities. Using a PriorityQueue will ensure we preempt for the highest priority apps first. 



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