[jira] [Created] (YARN-9116) Capacity Scheduler: add the default maximum-allocation-mb and maximum-allocation-vcores for the queues

["Aihua Xu (JIRA)" <ji...@apache.org>]

Aihua Xu created YARN-9116:
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             Summary: 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


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. 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 top-queue-default configuration (set to normal queue configuration like 16G/8), so top queue and its children gets such values by default.







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