Miklos Szegedi created YARN-6144:
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Summary: 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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