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https://issues.apache.org/jira/browse/YARN-2990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14310034#comment-14310034
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Sandy Ryza commented on YARN-2990:
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+1.  Sorry for the delay in getting to this.

> FairScheduler's delay-scheduling always waits for node-local and rack-local 
> delays, even for off-rack-only requests
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2990
>                 URL: https://issues.apache.org/jira/browse/YARN-2990
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.6.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: yarn-2990-0.patch, yarn-2990-1.patch, yarn-2990-2.patch, 
> yarn-2990-test.patch
>
>
> Looking at the FairScheduler, it appears the node/rack locality delays are 
> used for all requests, even those that are only off-rack. 
> More details in comments. 



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