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https://issues.apache.org/jira/browse/YARN-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14662228#comment-14662228
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Ashwin Shankar commented on YARN-3176:
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Yeah, thats a problem. Maybe we should display the child queue's maxApp to say
"Not configured"(or something along those lines) in those cases instead of
Integer.MAX_VALUE ? Ideally we would want to show maxApps = 50 on the parent
queue on the UI, but unfortunately I believe the scheduler page supports "Queue
status" box(the box that shows up when we click on the arrow on the left of a
leaf queue) only for leaf queues and not parent queues.
> In Fair Scheduler, child queue should inherit maxApp from its parent
> --------------------------------------------------------------------
>
> Key: YARN-3176
> URL: https://issues.apache.org/jira/browse/YARN-3176
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Siqi Li
> Assignee: Siqi Li
> Attachments: YARN-3176.v1.patch, YARN-3176.v2.patch
>
>
> if the child queue does not have a maxRunningApp limit, it will use the
> queueMaxAppsDefault. This behavior is not quite right, since
> queueMaxAppsDefault is normally a small number, whereas some parent queues do
> have maxRunningApp set to be more than the default
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