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https://issues.apache.org/jira/browse/YARN-6575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16022189#comment-16022189
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Jonathan Hung commented on YARN-6575:
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Thanks for the comments [~leftnoteasy],
bq. could we rename queues changes (in xml) to added-queues, removed-queues,
updated-queues
How about add-queue, remove-queue, update-queue? Since each xml object will be
for a single queue.
bq. We should add support of changing preemption configs via refreshQueues
shortly.
Do you mean in this feature, or a separate feature? I'm not sure
preemption-related configs are in the scope of this feature, since the
preemption configs are set on monitor initialization so can only be changed on
RM restart, while this feature is for scheduler restart. We'd have to add extra
support apart from calling CS.reinitialize to change preemption configs at
runtime.
Not sure if there are any other configs without the yarn.scheduler.capacity
prefix, as far as I could tell looking at CapacitySchedulerConfiguration. (will
need to double check this)
> Support global configuration mutation in MutableConfProvider
> ------------------------------------------------------------
>
> Key: YARN-6575
> URL: https://issues.apache.org/jira/browse/YARN-6575
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Jonathan Hung
> Assignee: Jonathan Hung
> Attachments: YARN-6575-YARN-5734.001.patch
>
>
> Right now mutating configs assumes they are only queue configs. Support
> should be added to mutate global scheduler configs.
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