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Posted to yarn-issues@hadoop.apache.org by "Erkin Alp Güney (JIRA)" <ji...@apache.org> on 2019/06/26 15:48:00 UTC
[jira] [Commented] (YARN-5724) [Umbrella] Better Queue Management
in YARN
[ https://issues.apache.org/jira/browse/YARN-5724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16873445#comment-16873445 ]
Erkin Alp Güney commented on YARN-5724:
---------------------------------------
[~Naganarasimha] FS and other schedulers can also benefit. Currently, each scheduler implements its own queue management and it's a mess.
> [Umbrella] Better Queue Management in YARN
> ------------------------------------------
>
> Key: YARN-5724
> URL: https://issues.apache.org/jira/browse/YARN-5724
> Project: Hadoop YARN
> Issue Type: Task
> Components: capacity scheduler
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Priority: Major
> Attachments: Designdocv1-Configuration-basedQueueManagementinYARN.pdf, Designdocv2-Configuration-basedQueueManagementinYARN.pdf
>
>
> This serves as an umbrella ticket for tasks related to better queue management in YARN.
> Today's the only way to manage the queue is through admins editing configuration files and then issuing a refresh command. This will bring many inconveniences. For example, the users can not create / delete /modify their own queues without talking to site level admins.
> Even in today's approach (configuration-based), we still have several places needed to improve:
> * It is possible today to add or modify queues without restarting the RM, via a CS refresh. But for deleting queue, we have to restart the resourcemanager.
> * When a queue is STOPPED, resources allocated to the queue can be handled better. Currently, they'll only be used if the other queues are setup to go over their capacity.
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