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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1959) Fix headroom calculation in Fair Scheduler
Date Fri, 18 Apr 2014 08:10:15 GMT

    [ https://issues.apache.org/jira/browse/YARN-1959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973869#comment-13973869
] 

Sandy Ryza commented on YARN-1959:
----------------------------------

The headroom for an app should be set to the min(app's queue's max share, cluster capacity)
- app's queues resources consumed.

> Fix headroom calculation in Fair Scheduler
> ------------------------------------------
>
>                 Key: YARN-1959
>                 URL: https://issues.apache.org/jira/browse/YARN-1959
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Sandy Ryza
>
> The Fair Scheduler currently always sets the headroom to 0.



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