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https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16974285#comment-16974285
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Peter Bacsko commented on YARN-9930:
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[~cane] what will be your approach? I think the best would be to re-use
{{MaxRunningAppsEnforcer}} somehow, although that class is tied to Fair
Scheduler (eg. it expects a Fair Scheduler instance in the constructor), so it
has to be refactored. But at least we would avoid code duplication. I think the
refactoring is doable.
> Support max running app logic for CapacityScheduler
> ---------------------------------------------------
>
> Key: YARN-9930
> URL: https://issues.apache.org/jira/browse/YARN-9930
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler, capacityscheduler
> Affects Versions: 3.1.0, 3.1.1
> Reporter: zhoukang
> Assignee: zhoukang
> Priority: Major
>
> In FairScheduler, there has limitation for max running which will let
> application pending.
> But in CapacityScheduler there has no feature like max running app.Only got
> max app,and jobs will be rejected directly on client.
> This jira i want to implement this semantic for CapacityScheduler.
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