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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5893) Experiment with using PriorityQueue for storing starved applications
Date Wed, 16 Nov 2016 22:48:58 GMT
Karthik Kambatla created YARN-5893:
--------------------------------------

             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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