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From "Miklos Szegedi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6144) Fair share calculation error
Date Fri, 03 Feb 2017 21:40:51 GMT
Miklos Szegedi created YARN-6144:

             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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