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https://issues.apache.org/jira/browse/YARN-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660925#comment-14660925
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Ashwin Shankar commented on YARN-3176:
--------------------------------------

Yes, this is valid case when inheriting would be useful. I'm just mildly 
concerned about couple things : what if someone doesn't want to inherit, but 
wants to use the default. Also since we don't inherit other properties like 
minshare, would this behavior cause confusion due to inconsistency. 

> 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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