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