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https://issues.apache.org/jira/browse/YARN-819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Parker updated YARN-819:
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Attachment: YARN-819-2.patch
> ResourceManager and NodeManager should check for a minimum allowed version
> --------------------------------------------------------------------------
>
> Key: YARN-819
> URL: https://issues.apache.org/jira/browse/YARN-819
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Affects Versions: 2.0.4-alpha
> Reporter: Robert Parker
> Assignee: Robert Parker
> Attachments: YARN-819-1.patch, YARN-819-2.patch
>
>
> Our use case is during upgrade on a large cluster several NodeManagers may
> not restart with the new version. Once the RM comes back up the NodeManager
> will re-register without issue to the RM.
> The NM should report the version the RM. The RM should have a configuration
> to disallow the check (default), equal to the RM (to prevent config change
> for each release), equal to or greater than RM (to allow NM upgrades), and
> finally an explicit version or version range.
> The RM should also have an configuration on how to treat the mismatch:
> REJECT, or REBOOT the NM.
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