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https://issues.apache.org/jira/browse/YARN-10928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17407775#comment-17407775
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Tao Yang commented on YARN-10928:
---------------------------------
Thanks [~Weihao Zheng] for filling this ticket!
I think it's very useful for cluster management, and it's reasonable to use the
non-specified-queue configuration as some cluster-level configurations already
did (e.g. yarn.scheduler.capacity.maximum-applications /
yarn.scheduler.capacity.maximum-am-resource-percent /
yarn.scheduler.capacity.max-parallel-apps).
For the PR, I think it's better to add a simple UT in TestApplicationLimit and
make sure the related document is updated.
> Support default queue properties of capacity scheduler to simplify
> configuration management
> -------------------------------------------------------------------------------------------
>
> Key: YARN-10928
> URL: https://issues.apache.org/jira/browse/YARN-10928
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacity scheduler
> Reporter: Weihao Zheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> There are many user cases that one user owns many queues in his
> organization's cluster for different business usages in practice. These
> queues often share the same properties, such as minimum-user-limit-percent
> and user-limit-factor. Users have to write one property for every queue they
> use if they want to use customized these shared properties. Adding default
> queue properties for these cases will simplify capacity scheduler's
> configuration file and make it easy to adjust queue's common properties.
>
> CHANGES:
> Add two properties as queue's default value in capacity scheduler's
> configuration:
> * {{yarn.scheduler.capacity.minimum-user-limit-percent}}
> * {{yarn.scheduler.capacity.user-limit-factor}}
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