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https://issues.apache.org/jira/browse/YARN-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15506713#comment-15506713
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Tao Jie commented on YARN-4855:
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[~Naganarasimha], thank you for comments!
Yes, it is better to use org.apache.commons.cli.CommandLine&Options to parse
CLI commands, and it would make a lot of work to change existing code in
RMAdminCLI. I think it is better to do those refactor job in another JIRA, do
you agree?
3&4 are fixed in the latest patch.
> Should check if node exists when replace nodelabels
> ---------------------------------------------------
>
> Key: YARN-4855
> URL: https://issues.apache.org/jira/browse/YARN-4855
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.6.0
> Reporter: Tao Jie
> Assignee: Tao Jie
> Priority: Minor
> Attachments: YARN-4855.001.patch, YARN-4855.002.patch,
> YARN-4855.003.patch, YARN-4855.004.patch, YARN-4855.005.patch,
> YARN-4855.006.patch, YARN-4855.007.patch, YARN-4855.008.patch,
> YARN-4855.009.patch, YARN-4855.010.patch, YARN-4855.011.patch
>
>
> Today when we add nodelabels to nodes, it would succeed even if nodes are not
> existing NodeManger in cluster without any message.
> It could be like this:
> When we use *yarn rmadmin -replaceLabelsOnNode --fail-on-unkown-nodes
> "node1=label1"* , it would be denied if node is unknown.
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