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

["Luca Canali (Jira)" <ji...@apache.org>]

Luca Canali created SPARK-41585:
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             Summary: 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


The Spark exclude node functionality for 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 eaxmple, one needs 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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