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https://issues.apache.org/jira/browse/YARN-3026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-3026:
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Attachment: YARN-3026.4.patch
Attached ver.4 patch, addressed comments from [~jianhe].
> Move application-specific container allocation logic from LeafQueue to
> FiCaSchedulerApp
> ---------------------------------------------------------------------------------------
>
> Key: YARN-3026
> URL: https://issues.apache.org/jira/browse/YARN-3026
> Project: Hadoop YARN
> Issue Type: Task
> Components: capacityscheduler
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-3026.1.patch, YARN-3026.2.patch, YARN-3026.3.patch,
> YARN-3026.4.patch
>
>
> Have a discussion with [~vinodkv] and [~jianhe]:
> In existing Capacity Scheduler, all allocation logics of and under LeafQueue
> are located in LeafQueue.java in implementation. To make a cleaner scope of
> LeafQueue, we'd better move some of them to FiCaSchedulerApp.
> Ideal scope of LeafQueue should be: when a LeafQueue receives some resources
> from ParentQueue (like 15% of cluster resource), and it distributes resources
> to children apps, and it should be agnostic to internal logic of children
> apps (like delayed-scheduling, etc.). IAW, LeafQueue shouldn't decide how
> application allocating container from given resources.
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