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https://issues.apache.org/jira/browse/YARN-4408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Kanter updated YARN-4408:
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Attachment: YARN-4408.002.patch
The 002 patch adds the debug message.
> NodeManager still reports negative running containers
> -----------------------------------------------------
>
> Key: YARN-4408
> URL: https://issues.apache.org/jira/browse/YARN-4408
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.4.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: YARN-4408.001.patch, YARN-4408.002.patch
>
>
> YARN-1697 fixed a problem where the NodeManager metrics could report a
> negative number of running containers. However, it missed a rare case where
> this can still happen.
> YARN-1697 added a flag to indicate if the container was actually launched
> ({{LOCALIZED}} to {{RUNNING}}) or not ({{LOCALIZED}} to {{KILLING}}), which
> is then checked when transitioning from {{CONTAINER_CLEANEDUP_AFTER_KILL}} to
> {{DONE}} and {{EXITED_WITH_FAILURE}} to {{DONE}} to only decrement the gauge
> if we actually ran the container and incremented the gauge . However, this
> flag is not checked while transitioning from {{EXITED_WITH_SUCCESS}} to
> {{DONE}}.
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