Github user jerryshao commented on a diff in the pull request: https://github.com/apache/spark/pull/3912#discussion_r22576034 --- Diff: streaming/src/main/scala/org/apache/spark/streaming/scheduler/ReceiverTracker.scala --- @@ -137,8 +141,24 @@ class ReceiverTracker(ssc: StreamingContext, skipReceiverLaunch: Boolean = false } receiverInfo(streamId) = ReceiverInfo( streamId, s"${typ}-${streamId}", receiverActor, true, host) + logInfo(s"Receiver for stream ${streamId} from ${sender.path.address} " + + s"attempts to register.") + } + + /** Report a starting receiver */ + private def startingReceiver( --- End diff -- But the problem is that receiver restart will deregister the receiver at first, so the actor info of that receiver will be lost, and we need to send `RegisterReceiver` again to re-register itself into the ReceiverTracker. That's why we have to send `RegisterReceiver` again even there's no location or other info changes.
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