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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5893) Experiment with using PriorityQueue for storing starved applications
Date Mon, 06 Feb 2017 04:03:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853482#comment-15853482

Yufei Gu commented on YARN-5893:

A PriorityBlockingQueue has been used in FSStarvedApps. Close this JIRA. 

> 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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