Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/2922#discussion_r19373743
--- Diff: core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala ---
@@ -87,10 +91,13 @@ abstract class Broadcast[T: ClassTag](val id: Long)
extends Serializable {
/**
* Destroy all data and metadata related to this broadcast variable. Use
this with caution;
* once a broadcast variable has been destroyed, it cannot be used again.
+ * @param blocking Whether to block until destroy has completed
*/
- private[spark] def destroy(blocking: Boolean) {
+ def destroy(blocking: Boolean) {
--- End diff --
No - I actually prefer the synchronous version in my applications. I will
add another destroy() which is always synchronous and make it public.
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