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https://issues.apache.org/jira/browse/YARN-6144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852174#comment-15852174
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Miklos Szegedi commented on YARN-6144:
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I think it is related to YARN-4752
> Fair share calculation error
> ----------------------------
>
> Key: YARN-6144
> URL: https://issues.apache.org/jira/browse/YARN-6144
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler, resourcemanager
> Affects Versions: 3.0.0-alpha2
> Reporter: Miklos Szegedi
> Assignee: Miklos Szegedi
> Priority: Blocker
>
> {{preemptContainers()}} calls {{trackContainerForPreemption()}} to collect
> the list of containers and resources that were preempted for an application.
> Later the list is reduced when {{containerCompleted()}} calls
> {{untrackContainerForPreemption()}}. The bug is that the resource variable
> {{preemptedResources}} is subtracted, not just when the container was
> preempted but also when it has completed successfully. This causes that we
> return an incorrect value in {{getResourceUsage()}}.
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