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Improve publish of domain events, see #2202

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* Gossip is not exposed in user api
* Better and more events
* Snapshot event sent to new subscriber
* Updated tests
* Periodic publish only for internal stats
This commit is contained in:
Patrik Nordwall 2012-08-15 16:47:34 +02:00
parent bc4d8fc7c5
commit 06f81f4373
21 changed files with 294 additions and 197 deletions
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28
akka-cluster/src/multi-jvm/scala/akka/cluster/LargeClusterSpec.scala
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@ -40,7 +40,7 @@ object LargeClusterMultiJvmSpec extends MultiNodeConfig {
auto-join = off
auto-down = on
failure-detector.acceptable-heartbeat-pause = 10s
publish-state-interval = 0 s # always, when it happens
publish-stats-interval = 0 s # always, when it happens
}
akka.loglevel = INFO
akka.actor.default-dispatcher.fork-join-executor {
@ -164,7 +164,7 @@ abstract class LargeClusterSpec
Await.ready(latch, remaining)
awaitCond(clusterNodes.forall(_.convergence.isDefined))
awaitCond(clusterNodes.forall(_.convergence))
val counts = clusterNodes.map(gossipCount(_))
val formattedStats = "mean=%s min=%s max=%s".format(counts.sum / clusterNodes.size, counts.min, counts.max)
log.info("Convergence of [{}] nodes reached, it took [{}], received [{}] gossip messages per node",
@ -276,15 +276,23 @@ abstract class LargeClusterSpec
val latch = TestLatch(nodesPerDatacenter)
systems foreach { sys ⇒
Cluster(sys).subscribe(sys.actorOf(Props(new Actor {
var gotExpectedLiveNodes = false
var gotExpectedUnreachableNodes = false
def receive = {
case MembersChanged(members) ⇒
if (!latch.isOpen && members.size == liveNodes && Cluster(sys).latestGossip.overview.unreachable.size == unreachableNodes) {
log.info("Detected [{}] unreachable nodes in [{}], it took [{}], received [{}] gossip messages",
unreachableNodes, Cluster(sys).selfAddress, tookMillis, gossipCount(Cluster(sys)))
latch.countDown()
}
case MembersChanged(members) if !latch.isOpen ⇒
gotExpectedLiveNodes = members.size == liveNodes
checkDone()
case UnreachableMembersChanged(unreachable) if !latch.isOpen ⇒
gotExpectedUnreachableNodes = unreachable.size == unreachableNodes
checkDone()
case _ ⇒ // not interesting
}
})), classOf[MembersChanged])
def checkDone(): Unit = if (gotExpectedLiveNodes && gotExpectedUnreachableNodes) {
log.info("Detected [{}] unreachable nodes in [{}], it took [{}], received [{}] gossip messages",
unreachableNodes, Cluster(sys).selfAddress, tookMillis, gossipCount(Cluster(sys)))
latch.countDown()
}
})), classOf[ClusterDomainEvent])
}
runOn(firstDatacenter) {
@ -295,7 +303,7 @@ abstract class LargeClusterSpec
runOn(firstDatacenter, thirdDatacenter, fourthDatacenter, fifthDatacenter) {
Await.ready(latch, remaining)
awaitCond(systems.forall(Cluster(_).convergence.isDefined))
awaitCond(systems.forall(Cluster(_).convergence))
val mergeCount = systems.map(sys ⇒ Cluster(sys).latestStats.mergeCount).sum
val counts = systems.map(sys ⇒ gossipCount(Cluster(sys)))
val formattedStats = "mean=%s min=%s max=%s".format(counts.sum / nodesPerDatacenter, counts.min, counts.max)