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https://issues.apache.org/jira/browse/YARN-438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hitesh Shah resolved YARN-438.
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Resolution: Duplicate
> NM on startup should handle cleaning up of any running containers managed by
> the previous instance
> --------------------------------------------------------------------------------------------------
>
> Key: YARN-438
> URL: https://issues.apache.org/jira/browse/YARN-438
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Hitesh Shah
> Priority: Critical
>
> If the NM is shutdown in a non-clean manner, the containers launched by it
> will remain running. When a NM is brought up, there needs to be some handling
> to ensure that the node is clean before new containers can be launched on it.
> Special care should be taken to handle cases where the PIDs wrap around - it
> may be non-trivial to figure out if the process running currently actually
> maps to the previously launched container.
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