Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/5685#discussion_r29082998
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1740,7 +1740,8 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
* serializable
*/
private[spark] def clean[F <: AnyRef](f: F, checkSerializable: Boolean =
true): F = {
- ClosureCleaner.clean(f, checkSerializable)
+ val cleanTransitively =
conf.getBoolean("spark.closureCleaner.transitive", true)
--- End diff --
I'm not sure that it makes sense to flag this since (provided we add
scopes) then every user program will break if this is toggled. I think this
feature will need to be removed wholesale if there are issues.
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