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From "Miklos Szegedi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6921) Allow resource request to opt out of oversubscription in Fair Scheduler
Date Wed, 22 Nov 2017 17:05:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16262916#comment-16262916
] 

Miklos Szegedi commented on YARN-6921:
--------------------------------------

Thank you for the contribution, [~haibochen]. I will commit this shortly.

> Allow resource request to opt out of oversubscription in Fair Scheduler
> -----------------------------------------------------------------------
>
>                 Key: YARN-6921
>                 URL: https://issues.apache.org/jira/browse/YARN-6921
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: scheduler
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>         Attachments: YARN-6921-YARN-1011.00.patch, YARN-6921-YARN-1011.01.patch
>
>
> Guaranteed container requests, enforce tag true or not, are by default eligible for oversubscription,
and thus can get OPPORTUNISTIC container allocations. We should allow them to opt out if their
enforce tag is set to true.



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