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https://issues.apache.org/jira/browse/YARN-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097631#comment-14097631
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Zhijie Shen commented on YARN-2385:
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bq. May be two separate apis (getRunningAppsInQueue, getPendingAppsInQueue)
with common behavior across CS/Fair could be a better approach.
+1 for getRunningAppsInQueue + getPendingAppsInQueue, which sounds more
flexible to get each individual metric than a sum.
Previously, getAppsInQueue is used for getQueueInfo and getApplications. In the
former use case, we can replace it with getRunningAppsInQueue +
getPendingAppsInQueue, while in the latter one, it's not accurate enough to
only include the apps inside the queue, but it's a separate issue.
> Adding support for listing all applications in a queue
> ------------------------------------------------------
>
> Key: YARN-2385
> URL: https://issues.apache.org/jira/browse/YARN-2385
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, fairscheduler
> Reporter: Subramaniam Venkatraman Krishnan
> Assignee: Karthik Kambatla
> Labels: abstractyarnscheduler
>
> This JIRA proposes adding a method in AbstractYarnScheduler to get all the
> pending/active applications. Fair scheduler already supports moving a single
> application from one queue to another. Support for the same is being added to
> Capacity Scheduler as part of YARN-2378 and YARN-2248. So with the addition
> of this method, we can transparently add support for moving all applications
> from source queue to target queue and draining a queue, i.e. killing all
> applications in a queue as proposed by YARN-2389
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