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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-5893) Experiment with using PriorityQueue for storing starved applications
Date Thu, 22 Dec 2016 08:01:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu reassigned YARN-5893:
------------------------------

    Assignee: Yufei Gu

> 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
>            Assignee: Yufei Gu
>
> 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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