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https://issues.apache.org/jira/browse/YARN-9116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16737856#comment-16737856
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Wangda Tan commented on YARN-9116:
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Maybe we can support maximum-allocation-mb/vcores to parent queues first, and
once YARN-9161 is done, we can file a separate Jira to support customer
resource types of maximum-allocation.
> Capacity Scheduler: add the default maximum-allocation-mb and
> maximum-allocation-vcores for the queues
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-9116
> URL: https://issues.apache.org/jira/browse/YARN-9116
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Affects Versions: 2.7.0
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Major
> Attachments: YARN-9116.1.patch
>
>
> YARN-1582 adds the support of maximum-allocation-mb configuration per queue
> which is targeting to support larger container features on dedicated queues
> (larger maximum-allocation-mb/maximum-allocation-vcores for such queue) .
> While to achieve larger container configuration, we need to increase the
> global maximum-allocation-mb/maximum-allocation-vcores (e.g. 120G/256) and
> then override those configurations with desired values on the queues since
> queue configuration can't be larger than cluster configuration. There are
> many queues in the system and if we forget to configure such values when
> adding a new queue, then such queue gets default 120G/256 which typically is
> not what we want.
> We can come up with a queue-default configuration (set to normal queue
> configuration like 16G/8), so the leaf queues gets such values by default.
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