Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3518#discussion_r21062433
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -458,6 +458,20 @@ private[spark] class TaskSetManager(
val startTime = clock.getTime()
// We rely on the DAGScheduler to catch non-serializable
closures and RDDs, so in here
// we assume the task can be serialized without exceptions.
+
+ // Check if serialization debugging is enabled
+ // TODO After acceptance, documentation for this option should
be added to ScalaDoc
+ val printRdd : Boolean =
sched.sc.getConf.getOption("spark.serializer.debug")
--- End diff --
Same here: `getBoolean`.
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