Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/21930#discussion_r206968792
--- Diff: core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala ---
@@ -218,118 +261,132 @@ private[spark] object ClosureCleaner extends
Logging {
return
}
- logDebug(s"+++ Cleaning closure $func (${func.getClass.getName}) +++")
-
- // A list of classes that represents closures enclosed in the given one
- val innerClasses = getInnerClosureClasses(func)
-
- // A list of enclosing objects and their respective classes, from
innermost to outermost
- // An outer object at a given index is of type outer class at the same
index
- val (outerClasses, outerObjects) = getOuterClassesAndObjects(func)
-
- // For logging purposes only
- val declaredFields = func.getClass.getDeclaredFields
- val declaredMethods = func.getClass.getDeclaredMethods
-
- if (log.isDebugEnabled) {
- logDebug(" + declared fields: " + declaredFields.size)
- declaredFields.foreach { f => logDebug(" " + f) }
- logDebug(" + declared methods: " + declaredMethods.size)
- declaredMethods.foreach { m => logDebug(" " + m) }
- logDebug(" + inner classes: " + innerClasses.size)
- innerClasses.foreach { c => logDebug(" " + c.getName) }
- logDebug(" + outer classes: " + outerClasses.size)
- outerClasses.foreach { c => logDebug(" " + c.getName) }
- logDebug(" + outer objects: " + outerObjects.size)
- outerObjects.foreach { o => logDebug(" " + o) }
- }
+ if(lambdaFunc.isEmpty) {
--- End diff --
Nit: space after if
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