Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2257#discussion_r71122579
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/jobmanager/JobManager.scala
---
@@ -405,36 +374,13 @@ class JobManager(
currentResourceManager match {
case Some(rm) =>
- val future = (rm ? decorateMessage(new
RegisterResource(taskManager, msg)))(timeout)
- future.onComplete {
- case scala.util.Success(response) =>
- // the resource manager is available and answered
- self ! response
- case scala.util.Failure(t) =>
- t match {
- case _: TimeoutException =>
- log.info("Attempt to register resource at
ResourceManager timed out. Retrying")
- case _ =>
- log.warn("Failure while asking ResourceManager for
RegisterResource. Retrying", t)
- }
- // slow or unreachable resource manager, register anyway and
let the rm reconnect
- self ! decorateMessage(new
RegisterResourceSuccessful(taskManager, msg))
- self ! decorateMessage(new ReconnectResourceManager(rm))
- }(context.dispatcher)
-
+ log.info(s"Register task manager $resourceId at the resource
manager.")
+ rm ! decorateMessage(new RegisterResource(msg))
--- End diff --
What if this message gets lost? This message needs to be delivered,
otherwise the RM won't function properly. The RM may not run on the same node
as the JobManager, making message loss even more likely.
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