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https://issues.apache.org/jira/browse/YARN-3434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509169#comment-14509169
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Hudson commented on YARN-3434:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #7646 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/7646/])
YARN-3434. Interaction between reservations and userlimit can result in
significant ULF violation (tgraves: rev
189a63a719c63b67a1783a280bfc2f72dcb55277)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
> 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
> Attachments: 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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