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https://issues.apache.org/jira/browse/YARN-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660948#comment-14660948
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Siqi Li commented on YARN-3176:
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for that, we can maybe introduce something like a "default" as follows, which
would let the queue use the default value.
{code}
<queue name="queue">
<maxRunningApps>default<maxRunningApps>
</queue>
{code}
Also, we need to do the same thing for other queue properties if we agree to
add such queue inherit behavior.
> 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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