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https://issues.apache.org/jira/browse/YARN-3265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14341178#comment-14341178
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Wangda Tan commented on YARN-3265:
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Thanks for your comments, addressed all of them, and:
bq. We should think more about the right place for resourceLimits, in following
JIRAs. I'd like to avoid mixing real state of the queue with a single
scheduling cycle state. This is a general problem with other things like
LeafQueue.QueueResourceLimitsInfo. One simple solution is to have a
AbstractQueue.schedulingCycleState and wrap everything in there.
Yes, I think we should refactor and put related fields together as a part of
SchedulingCycleState to avoid using/updating them everywhere.
bq. Not caused by the patch, but the application headroom going into metrics is
different from is different from the one pulled by apps.
Already filed YARN-3279 and several other issues when working on this JIRA
under YARN-1198.
Uploaded new patch.
> CapacityScheduler deadlock when computing absolute max avail capacity (fix
> for trunk/branch-2)
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-3265
> URL: https://issues.apache.org/jira/browse/YARN-3265
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Priority: Blocker
> Attachments: YARN-3265.1.patch, YARN-3265.2.patch, YARN-3265.3.patch,
> YARN-3265.5.patch
>
>
> This patch is trying to solve the same problem described in YARN-3251, but
> this is a longer term fix for trunk and branch-2.
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