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https://issues.apache.org/jira/browse/YARN-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-4026:
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Summary: FiCaSchedulerApp: ContainerAllocator should be able to choose how
to order pending resource requests (was: FiCaSchedulerApp: Revisit
ContainerAllocator interface design)
> FiCaSchedulerApp: ContainerAllocator should be able to choose how to order
> pending resource requests
> ----------------------------------------------------------------------------------------------------
>
> Key: YARN-4026
> URL: https://issues.apache.org/jira/browse/YARN-4026
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Wangda Tan
> Assignee: Wangda Tan
>
> After YARN-3983, we have an extensible ContainerAllocator which can be used
> by FiCaSchedulerApp to decide how to allocate resources.
> While working on YARN-1651 (allocate resource to increase container), I found
> one thing in existing logic not flexible enough:
> - ContainerAllocator decides what to allocate for a given node and priority:
> To support different kinds of resource allocation, for example, priority as
> weight / skip priority or not, etc. It's better to let ContainerAllocator to
> choose how to order resource request according to priorities.
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