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https://issues.apache.org/jira/browse/YARN-4329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15530632#comment-15530632
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Daniel Templeton commented on YARN-4329:
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Thanks, [~yufei].  Maybe I'm an old codger, but I'd really rather you have a 
single return point from {{FSAppAttempt.hasContainerForNode()}} and 
{{MaxRunningAppsEnforcer.canAppBeRunnable()}}.  There's no advantage to having 
multiple exit points in this case, and it makes maintenance a tiny bit harder.

> Allow fetching exact reason as to why a submitted app is in ACCEPTED state in 
> Fair Scheduler
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-4329
>                 URL: https://issues.apache.org/jira/browse/YARN-4329
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler, resourcemanager
>            Reporter: Naganarasimha G R
>            Assignee: Yufei Gu
>         Attachments: YARN-4329.001.patch, YARN-4329.002.patch
>
>
> Similar to YARN-3946, it would be useful to capture possible reason why the 
> Application is in accepted state in FairScheduler



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