Github user ArcherShao commented on a diff in the pull request:
https://github.com/apache/spark/pull/5114#discussion_r26922663
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/Receiver.scala ---
@@ -107,9 +107,6 @@ abstract class Receiver[T](val storageLevel:
StorageLevel) extends Serializable
*/
def onStop()
- /** Override this to specify a preferred location (hostname). */
- def preferredLocation : Option[String] = None
--- End diff --
I have tried, but didn't find a good way to pass the argument through
`ReceiverInputDStream` to this by adding some methods.
IMO, `ReceiverInputDStream` is also an interface for user, user can overide
preferredLocation (`ReceiverInputDStream`) in their own implementation.
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