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add thread local LRU cache for resolveActorRef

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This commit is contained in:
Patrik Nordwall 2016-09-27 16:34:43 +02:00
parent be319afcd2
commit 1cae346f4d
4 changed files with 121 additions and 4 deletions
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21
akka-remote/src/main/scala/akka/remote/RemoteActorRefProvider.scala
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@ -21,6 +21,8 @@ import akka.remote.artery.ArteryTransport
import akka.util.OptionVal
import akka.remote.artery.OutboundEnvelope
import akka.remote.artery.SystemMessageDelivery.SystemMessageEnvelope
import akka.remote.serialization.ActorRefResolveCache
import akka.remote.serialization.ActorRefResolveThreadLocalCache
/**
* INTERNAL API
@ -175,9 +177,13 @@ private[akka] class RemoteActorRefProvider(
@volatile private var remoteDeploymentWatcher: ActorRef = _
@volatile private var actorRefResolveThreadLocalCache: ActorRefResolveThreadLocalCache = _
def init(system: ActorSystemImpl): Unit = {
local.init(system)
actorRefResolveThreadLocalCache = ActorRefResolveThreadLocalCache(system)
remotingTerminator = system.systemActorOf(
remoteSettings.configureDispatcher(Props(classOf[RemotingTerminator], local.systemGuardian)),
"remoting-terminator")
@ -389,7 +395,20 @@ private[akka] class RemoteActorRefProvider(
}
}
def resolveActorRef(path: String): ActorRef = path match {
def resolveActorRef(path: String): ActorRef = {
// using thread local LRU cache, which will call internalRresolveActorRef
// if the value is not cached
actorRefResolveThreadLocalCache match {
case null ⇒ internalResolveActorRef(path) // not initalized yet
case c ⇒ c.threadLocalCache(this).getOrCompute(path)
}
}
/**
* INTERNAL API: This is used by the `ActorRefResolveCache` via the
* public `resolveActorRef(path: String)`.
*/
private[akka] def internalResolveActorRef(path: String): ActorRef = path match {
case ActorPathExtractor(address, elems) ⇒
if (hasAddress(address)) local.resolveActorRef(rootGuardian, elems)
else {