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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4855) Should check if node exists when replace nodelabels
Date Tue, 20 Sep 2016 15:20:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15506856#comment-15506856
] 

Naganarasimha G R commented on YARN-4855:
-----------------------------------------

Thanks [~Tao Jie],
agree if you want to update all it would be considerable effort but what about only for this
command ? 
Why i am insisting once we provide a *"--fail-on-unknown-nodes"* then modifying to *"-fail-on-unknown-nodes"*
will be compatability break and if new jira is only for this command then also it would not
make sense. 
thoughts from others ? cc/ [~sunilg] & [~wangda]

> 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, YARN-4855.012.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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