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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6921) Allow resource request to opt out of oversubscription in Fair Scheduler
Date Tue, 21 Nov 2017 16:59:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16261046#comment-16261046
] 

Haibo Chen commented on YARN-6921:
----------------------------------

TestIncreaseAllocationExpirer
testDecreaseAfterIncreaseWithAllocationExpiration is tracked in YARN-7387, and the findbug
issue is unrelated.

> 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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