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Posted to yarn-issues@hadoop.apache.org by "Sunil G (Jira)" <ji...@apache.org> on 2020/02/10 09:49:00 UTC
[jira] [Commented] (YARN-10124) Remove restriction of ParentQueue
capacity zero when childCapacities > 0
[ https://issues.apache.org/jira/browse/YARN-10124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17033472#comment-17033472 ]
Sunil G commented on YARN-10124:
--------------------------------
Ideally parent queue can be of "Zero" capacity, while its children may still have some +ve value for capacities. This gives a good flexibility in terms of queue management. I am +ve about relaxing current constraint and make parent queue capacity to 0.
[~leftnoteasy] [~cheersyang] [~wilfreds] [~jhung] thoughts?
> Remove restriction of ParentQueue capacity zero when childCapacities > 0
> ------------------------------------------------------------------------
>
> Key: YARN-10124
> URL: https://issues.apache.org/jira/browse/YARN-10124
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
>
> ParentQueue capacity cannot be set to 0 when child capacities > 0. To disable a parent queue temporarily, user can only STOP the queue but the capacity of the queue cannot be used for other queues. Allowing 0 capacity for parent queue will allow user to use the capacity for other queues and also to retain the child queue capacity values. (else user has to set all child queue capacities to 0)
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