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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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4
akka-cluster/src/test/scala/akka/cluster/protobuf/ClusterMessageSerializerSpec.scala
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@ -44,6 +44,7 @@ class ClusterMessageSerializerSpec extends AkkaSpec {
checkSerialization(InternalClusterAction.InitJoinNack(address))
checkSerialization(ClusterHeartbeatReceiver.Heartbeat(address))
checkSerialization(ClusterHeartbeatReceiver.EndHeartbeat(address))
checkSerialization(ClusterHeartbeatReceiver.EndHeartbeatAck(address))
checkSerialization(ClusterHeartbeatSender.HeartbeatRequest(address))
val node1 = VectorClock.Node("node1")
@ -52,7 +53,8 @@ class ClusterMessageSerializerSpec extends AkkaSpec {
val node4 = VectorClock.Node("node4")
val g1 = (Gossip(SortedSet(a1, b1, c1, d1)) :+ node1 :+ node2).seen(a1.uniqueAddress).seen(b1.uniqueAddress)
val g2 = (g1 :+ node3 :+ node4).seen(a1.uniqueAddress).seen(c1.uniqueAddress)
val g3 = g2.copy(overview = g2.overview.copy(unreachable = Set(e1, f1)))
val reachability3 = Reachability.empty.unreachable(a1.uniqueAddress, e1.uniqueAddress).unreachable(b1.uniqueAddress, e1.uniqueAddress)
val g3 = g2.copy(members = SortedSet(a1, b1, c1, d1, e1), overview = g2.overview.copy(reachability = reachability3))
checkSerialization(GossipEnvelope(a1.uniqueAddress, uniqueAddress2, g1))
checkSerialization(GossipEnvelope(a1.uniqueAddress, uniqueAddress2, g2))
checkSerialization(GossipEnvelope(a1.uniqueAddress, uniqueAddress2, g3))