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https://issues.apache.org/jira/browse/YARN-3434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538252#comment-14538252
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Thomas Graves commented on YARN-3434:
-------------------------------------
whats your question exactly? For branch patches jenkins has never been hooked
up. We generally download the patch, build and possibly the run the tests that
apply and commit.
> Interaction between reservations and userlimit can result in significant ULF
> violation
> --------------------------------------------------------------------------------------
>
> Key: YARN-3434
> URL: https://issues.apache.org/jira/browse/YARN-3434
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.6.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
> Fix For: 2.8.0
>
> Attachments: YARN-3434-branch2.7.patch, YARN-3434.patch,
> YARN-3434.patch, YARN-3434.patch, YARN-3434.patch, YARN-3434.patch,
> YARN-3434.patch, YARN-3434.patch
>
>
> ULF was set to 1.0
> User was able to consume 1.4X queue capacity.
> It looks like when this application launched, it reserved about 1000
> containers, each 8G each, within about 5 seconds. I think this allowed the
> logic in assignToUser() to allow the userlimit to be surpassed.
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