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

["Adam Binford (Jira)" <ji...@apache.org>]

Adam Binford created SPARK-38640:
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             Summary: 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


If you have RDD fetching from shuffle service enabled, memory-only cached RDDs will fail to unpersist.

 

```

// spark.shuffle.service.fetch.rdd.enabled=true
val df = spark.range(5)
  .persist(StorageLevel.MEMORY_ONLY)

df.count()
df.unpersist(true)
```



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