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https://issues.apache.org/jira/browse/YARN-6193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15872667#comment-15872667
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Hudson commented on YARN-6193:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11276 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11276/])
YARN-6193. FairScheduler might not trigger preemption when using DRF. (kasha:
rev dbbfcf74ab44d7bfdc805b63affd0defc57182b8)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java
> FairScheduler might not trigger preemption when using DRF
> ---------------------------------------------------------
>
> Key: YARN-6193
> URL: https://issues.apache.org/jira/browse/YARN-6193
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: YARN-6193.000.patch, YARN-6193.001.patch,
> YARN-6193.002.patch, YARN-6193.003.patch
>
>
> {{FSAppAttempt#canContainerBePreempted}} verifies preempting a container
> doesn't lead to new starvation ({{Resources.fitsIn}}). When using DRF, this
> leads to verifying both resources instead of just the dominant resource.
> Ideally, the check should be based on policy.
> Note that current implementation of
> {{DominantResourceFairnessPolicy#checkIfUsageOverFairShare}} is broken.
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