Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5392#discussion_r28757688
--- Diff:
core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala ---
@@ -40,98 +36,128 @@ import org.apache.spark.util.{ActorLogReceive, Utils,
AkkaUtils}
* @param masterUrls Each url should look like spark://host:port.
*/
private[spark] class AppClient(
- actorSystem: ActorSystem,
+ rpcEnv: RpcEnv,
masterUrls: Array[String],
appDescription: ApplicationDescription,
listener: AppClientListener,
conf: SparkConf)
extends Logging {
- private val masterAkkaUrls = masterUrls.map(Master.toAkkaUrl(_,
AkkaUtils.protocol(actorSystem)))
+ private val masterRpcAddresses =
masterUrls.map(RpcAddress.fromSparkURL(_))
- private val REGISTRATION_TIMEOUT = 20.seconds
+ private val REGISTRATION_TIMEOUT_SECONDS = 20
private val REGISTRATION_RETRIES = 3
- private var masterAddress: Address = null
- private var actor: ActorRef = null
+ private var endpoint: RpcEndpointRef = null
private var appId: String = null
- private var registered = false
- private var activeMasterUrl: String = null
+ @volatile private var registered = false
+
+ private class ClientEndpoint(override val rpcEnv: RpcEnv) extends
ThreadSafeRpcEndpoint
+ with Logging {
+
+ private var master: Option[RpcEndpointRef] = None
+ // To avoid calling listener.disconnected() multiple times
+ private var alreadyDisconnected = false
+ @volatile private var alreadyDead = false // To avoid calling
listener.dead() multiple times
+ @volatile private var registerMasterFutures: Array[Future[_]] = null
+ @volatile private var registrationRetryTimer: ScheduledFuture[_] = null
- private class ClientActor extends Actor with ActorLogReceive with
Logging {
- var master: ActorSelection = null
- var alreadyDisconnected = false // To avoid calling
listener.disconnected() multiple times
- var alreadyDead = false // To avoid calling listener.dead() multiple
times
- var registrationRetryTimer: Option[Cancellable] = None
+ private val registerMasterThreadPool = new ThreadPoolExecutor(
--- End diff --
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