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https://issues.apache.org/jira/browse/YARN-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227863#comment-15227863
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Tao Jie commented on YARN-4855:
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[~Naganarasimha], thanks for reply.
We are trying to split resource pool for certain Applications from our cluster
by nodeLabel. For example, we need a resource pool of 10 nodes, then we run a
script with *rmadmin -replaceLabelsOnNode* cmd. However, this command always
run successfully even though nodes are not available in cluster (node is down
or misspelling of hostname). As a result, we should do something more to ensure
the capacity of the resource pool. So I hope this option may help.
> 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
> Priority: Minor
>
> 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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