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!clu #2307 Allow transition from unreachable to reachable

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* Replace unreachable Set with Reachability table
* Unreachable members stay in member Set
* Downing a live member was moved it to the unreachable Set,
  and then removed from there by the leader. That will not
  work when flipping back to reachable, so a Down member must
  be detected as unreachable before beeing removed. Similar
  to Exiting. Member shuts down itself if it sees itself as
  Down.
* Flip back to reachable when failure detector monitors it as
  available again
* ReachableMember event
* Can't ignore gossip from aggregated unreachable (see SurviveNetworkInstabilitySpec)
* Make use of ReachableMember event in cluster router
* End heartbeat when acknowledged, EndHeartbeatAck
* Remove nr-of-end-heartbeats from conf
* Full reachability info in JMX cluster status
* Don't use interval after unreachable for AccrualFailureDetector history
* Add QuarantinedEvent to remoting, used for Reachability.Terminated
* Prune reachability table when all reachable
* Update documentation
* Performance testing and optimizations
This commit is contained in:
Patrik Nordwall 2013-08-27 15:14:53 +02:00
parent beba5d9f76
commit dc9fe4f19c
43 changed files with 2425 additions and 1169 deletions
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7
akka-remote/src/main/scala/akka/remote/Remoting.scala
View file

@ -400,10 +400,8 @@ private[remote] class EndpointManager(conf: Config, log: LoggingAdapter) extends
case HopelessAssociation(localAddress, remoteAddress, Some(uid), _) ⇒
settings.QuarantineDuration match {
case d: FiniteDuration ⇒
log.warning("Association to [{}] having UID [{}] is irrecoverably failed. UID is now quarantined and all " +
"messages to this UID will be delivered to dead letters. Remote actorsystem must be restarted to recover " +
"from this situation.", remoteAddress, uid)
endpoints.markAsQuarantined(remoteAddress, uid, Deadline.now + d)
eventPublisher.notifyListeners(QuarantinedEvent(remoteAddress, uid))
case _ ⇒ // disabled
}
context.system.eventStream.publish(AddressTerminated(remoteAddress))
@ -488,9 +486,8 @@ private[remote] class EndpointManager(conf: Config, log: LoggingAdapter) extends
case Some(endpoint) ⇒ context.stop(endpoint)
case _ ⇒ // nothing to stop
}
log.info("Address [{}] is now quarantined, all messages to this address will be delivered to dead letters.",
address)
endpoints.markAsQuarantined(address, uid, Deadline.now + d)
eventPublisher.notifyListeners(QuarantinedEvent(address, uid))
case _ ⇒ // Ignore
}