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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1959) Fix headroom calculation in Fair Scheduler
Date Fri, 15 Aug 2014 00:19:19 GMT

    [ https://issues.apache.org/jira/browse/YARN-1959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097966#comment-14097966
] 

Karthik Kambatla commented on YARN-1959:
----------------------------------------

Would it make more sense to have it to be {{queue-fair-share - queue-consumed}}? Now that
the fairshare is instantaneous, it is the maximum resources the app can safely expect to get.
No? 

> 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
>            Assignee: Anubhav Dhoot
>
> The Fair Scheduler currently always sets the headroom to 0.



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