[jira] [Commented] (SPARK-41585) The Spark exclude node functionality for YARN should work independently of dynamic allocation

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-41585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17649233#comment-17649233 ] 

Apache Spark commented on SPARK-41585:
--------------------------------------

User 'LucaCanali' has created a pull request for this issue:
https://github.com/apache/spark/pull/39127

> The Spark exclude node functionality for YARN should work independently of dynamic allocation
> ---------------------------------------------------------------------------------------------
>
>                 Key: SPARK-41585
>                 URL: https://issues.apache.org/jira/browse/SPARK-41585
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 3.3.1
>            Reporter: Luca Canali
>            Priority: Minor
>
> The Spark exclude node functionality for Spark on YARN, introduced in SPARK-26688, allows users to specify a list of node names that are excluded from resource allocation. This is done using the configuration parameter: {{spark.yarn.exclude.nodes}}
> The feature currently works only for executors allocated via dynamic allocation. To use the feature on Spark 3.3.1, for example, one may need also to configure spark.dynamicAllocation.minExecutors=0 and spark.executor.instances=0, therefore relying on executor resource allocation only via dynamic allocation.
> This proposes to extend the use of Spark exclude node functionality for YARN beyond dynamic allocation, which I believe makes it more consistent also with what the documentation reports for this feature/configuration parameter.



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