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Cluster metrics internal API and cluster-wide transport of metrics data.

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* Create Cluster Metrics API
* Create transport of relevant metrics data
Does not include load-balancing routers.
This commit is contained in:
Helena Edelson 2012-09-24 13:07:11 -06:00
parent 9a20baa831
commit dbce1c8b85
16 changed files with 1295 additions and 7 deletions
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74
akka-cluster/src/multi-jvm/scala/akka/cluster/ClusterMetricsSpec.scala Normal file
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/*
* Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
*/
package akka.cluster
import scala.language.postfixOps
import scala.concurrent.util.duration._
import com.typesafe.config.ConfigFactory
import akka.remote.testkit.MultiNodeConfig
import akka.remote.testkit.MultiNodeSpec
import akka.testkit._
import akka.actor.ExtendedActorSystem
object ClusterMetricsMultiJvmSpec extends MultiNodeConfig {
val first = role("first")
val second = role("second")
val third = role("third")
val fourth = role("fourth")
val fifth = role("fifth")
commonConfig(ConfigFactory.parseString("""
akka.cluster.auto-join = on
akka.cluster.metrics.enabled = on
akka.cluster.metrics.metrics-interval = 3 s
akka.cluster.metrics.gossip-interval = 3 s
akka.cluster.metrics.rate-of-decay = 10
akka.loglevel = INFO
akka.remote.log-sent-messages = off
akka.remote.log-received-messages = off
akka.actor.debug.receive = off
akka.actor.debug.unhandled = off
akka.actor.debug.lifecycle = off
akka.actor.debug.autoreceive = off
akka.actor.debug.fsm = off""")
.withFallback(MultiNodeClusterSpec.clusterConfigWithFailureDetectorPuppet))
}
class ClusterMetricsMultiJvmNode1 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode2 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode3 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode4 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode5 extends ClusterMetricsSpec
abstract class ClusterMetricsSpec extends MultiNodeSpec(ClusterMetricsMultiJvmSpec) with MultiNodeClusterSpec with MetricSpec {
import ClusterMetricsMultiJvmSpec._
val collector = MetricsCollector(cluster.selfAddress, log, system.asInstanceOf[ExtendedActorSystem].dynamicAccess)
"Cluster metrics" must {
"periodically collect metrics on each node, publish ClusterMetricsChanged to the event stream, " +
"and gossip metrics around the node ring" taggedAs LongRunningTest in within(60 seconds) {
awaitClusterUp(roles: _*)
enterBarrier("cluster-started")
runOn(roles: _*) {
awaitCond(clusterView.members.filter(_.status == MemberStatus.Up).size == roles.size)
awaitCond(clusterView.clusterMetrics.size == roles.size)
assertInitialized(cluster.settings.MetricsRateOfDecay, collectNodeMetrics(clusterView.clusterMetrics).toSet)
clusterView.clusterMetrics.foreach(n => assertExpectedSampleSize(collector.isSigar, cluster.settings.MetricsRateOfDecay, n))
}
enterBarrier("after")
}
"reflect the correct number of node metrics in cluster view" taggedAs LongRunningTest in within(30 seconds) {
runOn(second) {
cluster.leave(first)
}
enterBarrier("first-left")
runOn(second, third, fourth, fifth) {
awaitCond(clusterView.clusterMetrics.size == (roles.size - 1))
}
enterBarrier("finished")
}
}
}