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https://issues.apache.org/jira/browse/YARN-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15563777#comment-15563777
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Naganarasimha G R commented on YARN-4855:
-----------------------------------------

Hi [~Tao Jie], forgot to mention that we need to mention these updates to the 
commands in the documentation @ 2 locations one is 
[NodeLabel.html|http://hadoop.apache.org/docs/r3.0.0-alpha1/hadoop-yarn/hadoop-yarn-site/NodeLabel.html]
 and other is [command 
reference|http://hadoop.apache.org/docs/r3.0.0-alpha1/hadoop-yarn/hadoop-yarn-site/YarnCommands.html].
 I am fine with new jira or addendum 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
>             Fix For: 2.8.0, 2.9.0, 3.0.0-alpha2
>
>         Attachments: YARN-4855-branch-2.8.patch, 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, YARN-4855.012.patch, YARN-4855.013.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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