Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/4467#discussion_r24468323
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/ReceiverTracker.scala
---
@@ -202,16 +232,21 @@ class ReceiverTracker(ssc: StreamingContext,
skipReceiverLaunch: Boolean = false
/** Actor to receive messages from the receivers. */
private class ReceiverTrackerActor extends Actor {
def receive = {
- case RegisterReceiver(streamId, typ, host, receiverActor) =>
- registerReceiver(streamId, typ, host, receiverActor, sender)
- sender ! true
- case AddBlock(receivedBlockInfo) =>
- sender ! addBlock(receivedBlockInfo)
- case ReportError(streamId, message, error) =>
- reportError(streamId, message, error)
- case DeregisterReceiver(streamId, message, error) =>
- deregisterReceiver(streamId, message, error)
- sender ! true
+ // Actor stops to receive when tracker is stopping
+ if (!isTrackerStopping) {
--- End diff --
I dont get the logic here. If the tracker is in "stopping", then it should
receive deregister messages. But stops it from receiving, isnt it?
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