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https://issues.apache.org/jira/browse/YARN-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hong Zhiguo updated YARN-2306:
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Attachment: YARN-2306-2.patch
updated the patch with only the new unit test, since it seems this bug is fixed
already in trunk.
The unit test succeeded.
I suggest to include this unit test to have regression for this bug.
> leak of reservation metrics (fair scheduler)
> --------------------------------------------
>
> Key: YARN-2306
> URL: https://issues.apache.org/jira/browse/YARN-2306
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler
> Reporter: Hong Zhiguo
> Assignee: Hong Zhiguo
> Priority: Minor
> Attachments: YARN-2306-2.patch, YARN-2306.patch
>
>
> This only applies to fair scheduler. Capacity scheduler is OK.
> When appAttempt or node is removed, the metrics for
> reservation(reservedContainers, reservedMB, reservedVCores) is not reduced
> back.
> These are important metrics for administrator. The wrong metrics confuses may
> confuse them.
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