squito 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_r329244755
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File path: core/src/main/scala/org/apache/spark/rdd/RDD.scala
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@@ -1807,7 +1830,7 @@ abstract class RDD[T: ClassTag](
/** A description of this RDD and its recursive dependencies for debugging.
*/
def toDebugString: String = {
// Get a debug description of an rdd without its children
- def debugSelf(rdd: RDD[_]): Seq[String] = {
+ def debugSelf(rdd: RDD[_]): Seq[String] = stateLock.synchronized {
import Utils.bytesToString
val persistence = if (storageLevel != StorageLevel.NONE)
storageLevel.description else ""
Review comment:
good point, thanks
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