vanzin commented on a change in pull request #25951: [SPARK-28917][CORE]
Synchronize access to RDD mutable state.
URL: https://github.com/apache/spark/pull/25951#discussion_r331591439
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File path: core/src/test/scala/org/apache/spark/DistributedSuite.scala
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@@ -339,6 +339,21 @@ class DistributedSuite extends SparkFunSuite with
Matchers with LocalSparkContex
}
}
+ test("reference partitions inside a task") {
+ // Run a simple job which just makes sure there is no failure if we touch
rdd.partitions
+ // inside a task. This requires the stateLock to be serializable. This
is very convoluted
+ // use case, its just a check for backwards-compatibility after the fix
for SPARK-28917.
Review comment:
it's
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