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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (YARN-5831) Propagate allowPreemptionFrom flag all the way down to the app
Date Fri, 20 Jan 2017 00:17:26 GMT

     [ https://issues.apache.org/jira/browse/YARN-5831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang reopened YARN-5831:
-------------------------------

> Propagate allowPreemptionFrom flag all the way down to the app
> --------------------------------------------------------------
>
>                 Key: YARN-5831
>                 URL: https://issues.apache.org/jira/browse/YARN-5831
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Karthik Kambatla
>            Assignee: Yufei Gu
>             Fix For: 3.0.0-alpha2
>
>         Attachments: YARN-5831.001.patch, YARN-5831.002.patch, YARN-5831.003.patch, YARN-5831.004.patch,
YARN-5831.005.patch
>
>
> FairScheduler allows disallowing preemption from a queue. When checking if preemption
for an application is allowed, the new preemption code recurses all the way to the root queue
to check this flag. 
> Propagating this information all the way to the app will be more efficient. 



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