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https://issues.apache.org/jira/browse/YARN-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15229408#comment-15229408
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Wangda Tan commented on YARN-4855:
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Thanks [~Tao Jie] and discussions from [~Naganarasimha], [~sunilg].
[Comment|https://issues.apache.org/jira/browse/YARN-4855?focusedCommentId=15227603&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15227603]
looks doable and backward compatible. However, \-checkNode seems very
confusing. How about renaming it to "--fail-on-unkown-nodes", which is longer
but clearer.
Thoughts?
> 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
>
>
> 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 "node1=label1"*, it would be
> denied if node does not exist.
> When we use *yarn rmadmin -replaceLabelsOnNode -force "node1=label1"* would
> add nodelabels no matter whether node exists
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