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https://issues.apache.org/jira/browse/SPARK-26688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16748922#comment-16748922
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Attila Zsolt Piros commented on SPARK-26688:
--------------------------------------------

As I know a node only could have one label.

So if node label is already used for something else (to group somehow your 
nodes) this could be a lightweight way to still exclude some YARN nodes.

> Provide configuration of initially blacklisted YARN nodes
> ---------------------------------------------------------
>
>                 Key: SPARK-26688
>                 URL: https://issues.apache.org/jira/browse/SPARK-26688
>             Project: Spark
>          Issue Type: Improvement
>          Components: YARN
>    Affects Versions: 3.0.0
>            Reporter: Attila Zsolt Piros
>            Priority: Major
>
> Introducing new config for initially blacklisted YARN nodes.
> This came up in the apache spark user mailing list: 
> [http://apache-spark-user-list.1001560.n3.nabble.com/Spark-on-Yarn-is-it-possible-to-manually-blacklist-nodes-before-running-spark-job-td34395.html]
>  



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