Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/6294#discussion_r34868282
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/ReceiverTracker.scala
---
@@ -220,20 +266,33 @@ class ReceiverTracker(ssc: StreamingContext,
skipReceiverLaunch: Boolean = false
override def receiveAndReply(context: RpcCallContext):
PartialFunction[Any, Unit] = {
case RegisterReceiver(streamId, typ, host, receiverEndpoint) =>
- registerReceiver(streamId, typ, host, receiverEndpoint,
context.sender.address)
- context.reply(true)
+ val successful =
+ registerReceiver(streamId, typ, host, receiverEndpoint,
context.sender.address)
+ context.reply(successful)
case AddBlock(receivedBlockInfo) =>
context.reply(addBlock(receivedBlockInfo))
case DeregisterReceiver(streamId, message, error) =>
deregisterReceiver(streamId, message, error)
context.reply(true)
+ case StopAllReceivers =>
+ assert(isTrackerStopping || isTrackerStopped)
+ stopReceivers()
+ context.reply(true)
+ }
+
+ /** Stops the receivers. */
--- End diff --
nit: please update this to "Send stop signal to the receivers"
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