[jira] [Resolved] (SPARK-38640) NPE with unpersisting memory-only RDD with RDD fetching from shuffle service enabled

["Sean R. Owen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-38640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean R. Owen resolved SPARK-38640.
----------------------------------
    Fix Version/s: 3.3.0
         Assignee: Adam Binford
       Resolution: Fixed

Resolved by https://github.com/apache/spark/pull/35959

> NPE with unpersisting memory-only RDD with RDD fetching from shuffle service enabled
> ------------------------------------------------------------------------------------
>
>                 Key: SPARK-38640
>                 URL: https://issues.apache.org/jira/browse/SPARK-38640
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.2.1
>            Reporter: Adam Binford
>            Assignee: Adam Binford
>            Priority: Major
>             Fix For: 3.3.0
>
>
> If you have RDD fetching from shuffle service enabled, memory-only cached RDDs will fail to unpersist.
>  
>  
> {code:java}
> // spark.shuffle.service.fetch.rdd.enabled=true
> val df = spark.range(5)
>   .persist(StorageLevel.MEMORY_ONLY)
> df.count()
> df.unpersist(true)
> {code}
>  



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