Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3518#discussion_r21062420
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -826,9 +888,23 @@ class DAGScheduler(
// might modify state of objects referenced in their closures. This is
necessary in Hadoop
// where the JobConf/Configuration object is not thread-safe.
var taskBinary: Broadcast[Array[Byte]] = null
+
+ // Check if RDD serialization debugging is enabled
+ // TODO After acceptance documentation for this option should be added
to ScalaDoc
--- End diff --
You can remove this `TODO` and add the documentation yourself; see
`docs/configuration.md`.
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