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https://issues.apache.org/jira/browse/YARN-7185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163924#comment-16163924
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Hudson commented on YARN-7185:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12855 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12855/])
YARN-7185. [Addendum patch] Minor javadoc and checkstyle fix. (arun suresh: rev
a1c398e0dc85e424b45c50a3c3a0a784c04ed737)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/TestContainerSchedulerBehaviorCompatibility.java
> ContainerScheduler should only look at availableResource for GUARANTEED
> containers when OPPORTUNISTIC container queuing is enabled.
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-7185
> URL: https://issues.apache.org/jira/browse/YARN-7185
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Sumana Sathish
> Assignee: Tan, Wangda
> Priority: Blocker
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: YARN-7185.001.patch, YARN-7185.002.patch,
> YARN-7185.003.patch
>
>
> Found an issue:
> When DefaultContainerCalculator is enabled and opportunistic container
> allocation is disabled. It is possible that for a NM:
> {code}
> Σ(allocated-container.vcores) > nm.configured-vores.
> {code}
> When this happens, ContainerScheduler will report errors like:
> bq. ContainerScheduler
> (ContainerScheduler.java:pickOpportunisticContainersToKill(458)) - There are
> no sufficient resources to start guaranteed.
> This will be an incompatible change after 2.8 because before YARN-6706, we
> can start containers when DefaultContainerCalculator is configured and vcores
> is overallocated.
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