flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From uce <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2790] [yarn] [ha] Adds high availabilit...
Date Wed, 07 Oct 2015 10:32:12 GMT
Github user uce commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1213#discussion_r41374493
  
    --- Diff: flink-runtime/src/test/scala/org/apache/flink/runtime/testingUtils/TestingJobManagerLike.scala
---
    @@ -0,0 +1,367 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + *     http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.flink.runtime.testingUtils
    +
    +import akka.actor.{Terminated, Cancellable, ActorRef}
    +import akka.pattern.{ask, pipe}
    +import org.apache.flink.api.common.JobID
    +import org.apache.flink.runtime.FlinkActor
    +import org.apache.flink.runtime.execution.ExecutionState
    +import org.apache.flink.runtime.jobgraph.JobStatus
    +import org.apache.flink.runtime.jobmanager.JobManager
    +import org.apache.flink.runtime.messages.ExecutionGraphMessages.JobStatusChanged
    +import org.apache.flink.runtime.messages.JobManagerMessages.GrantLeadership
    +import org.apache.flink.runtime.messages.Messages.{Acknowledge, Disconnect}
    +import org.apache.flink.runtime.messages.RegistrationMessages.RegisterTaskManager
    +import org.apache.flink.runtime.messages.TaskManagerMessages.Heartbeat
    +import org.apache.flink.runtime.testingUtils.TestingJobManagerMessages._
    +import org.apache.flink.runtime.testingUtils.TestingMessages.{DisableDisconnect,
    +CheckIfJobRemoved, Alive}
    +import org.apache.flink.runtime.testingUtils.TestingTaskManagerMessages.AccumulatorsChanged
    +
    +import scala.collection.mutable
    +import scala.concurrent.Future
    +import scala.concurrent.duration._
    +
    +import language.postfixOps
    +
    +/** This mixin can be used to decorate a JobManager with messages for testing purpose.
    +  *
    +  */
    +trait TestingJobManagerLike extends FlinkActor {
    +  that: JobManager =>
    +
    +  import scala.collection.JavaConverters._
    +  import context._
    +
    +  val waitForAllVerticesToBeRunning = scala.collection.mutable.HashMap[JobID, Set[ActorRef]]()
    +  val waitForTaskManagerToBeTerminated = scala.collection.mutable.HashMap[String, Set[ActorRef]]()
    +
    +  val waitForAllVerticesToBeRunningOrFinished =
    +    scala.collection.mutable.HashMap[JobID, Set[ActorRef]]()
    +
    +  var periodicCheck: Option[Cancellable] = None
    +
    +  val waitForJobStatus = scala.collection.mutable.HashMap[JobID,
    +    collection.mutable.HashMap[JobStatus, Set[ActorRef]]]()
    +
    +  val waitForAccumulatorUpdate = scala.collection.mutable.HashMap[JobID, (Boolean, Set[ActorRef])]()
    +
    +  val waitForLeader = scala.collection.mutable.HashSet[ActorRef]()
    +
    +  val waitForNumRegisteredTaskManagers = mutable.PriorityQueue.newBuilder(
    +    new Ordering[(Int, ActorRef)] {
    +      override def compare(x: (Int, ActorRef), y: (Int, ActorRef)): Int = y._1 - x._1
    +    })
    +
    +  var disconnectDisabled = false
    +
    +  abstract override def handleMessage: Receive = {
    +    handleTestingMessage orElse super.handleMessage
    +  }
    +
    +  def handleTestingMessage: Receive = {
    +    case Alive => sender() ! Acknowledge
    +
    +    case RequestExecutionGraph(jobID) =>
    +      currentJobs.get(jobID) match {
    +        case Some((executionGraph, jobInfo)) => sender() ! decorateMessage(
    +          ExecutionGraphFound(
    +            jobID,
    +            executionGraph)
    +        )
    +
    +        case None => archive.tell(decorateMessage(RequestExecutionGraph(jobID)), sender())
    +      }
    +
    +    case WaitForAllVerticesToBeRunning(jobID) =>
    +      if(checkIfAllVerticesRunning(jobID)){
    +        sender() ! decorateMessage(AllVerticesRunning(jobID))
    +      }else{
    +        val waiting = waitForAllVerticesToBeRunning.getOrElse(jobID, Set[ActorRef]())
    +        waitForAllVerticesToBeRunning += jobID -> (waiting + sender())
    +
    +        if(periodicCheck.isEmpty){
    +          periodicCheck =
    +            Some(
    +              context.system.scheduler.schedule(
    +                0 seconds,
    +                200 millis,
    +                self,
    +                decorateMessage(NotifyListeners)
    +              )
    +            )
    +        }
    +      }
    +    case WaitForAllVerticesToBeRunningOrFinished(jobID) =>
    +      if(checkIfAllVerticesRunningOrFinished(jobID)){
    +        sender() ! decorateMessage(AllVerticesRunning(jobID))
    +      }else{
    +        val waiting = waitForAllVerticesToBeRunningOrFinished.getOrElse(jobID, Set[ActorRef]())
    +        waitForAllVerticesToBeRunningOrFinished += jobID -> (waiting + sender())
    +
    +        if(periodicCheck.isEmpty){
    +          periodicCheck =
    +            Some(
    +              context.system.scheduler.schedule(
    +                0 seconds,
    +                200 millis,
    +                self,
    +                decorateMessage(NotifyListeners)
    +              )
    +            )
    +        }
    +      }
    +
    +    case NotifyListeners =>
    +      for(jobID <- currentJobs.keySet){
    +        notifyListeners(jobID)
    +      }
    +
    +      if(waitForAllVerticesToBeRunning.isEmpty && waitForAllVerticesToBeRunningOrFinished.isEmpty)
{
    +        periodicCheck foreach { _.cancel() }
    +        periodicCheck = None
    +      }
    +
    +
    +    case NotifyWhenJobRemoved(jobID) =>
    +      val gateways = instanceManager.getAllRegisteredInstances.asScala.map(_.getActorGateway)
    +
    +      val responses = gateways.map{
    +        gateway => gateway.ask(NotifyWhenJobRemoved(jobID), timeout).mapTo[Boolean]
    +      }
    +
    +      val jobRemovedOnJobManager = (self ? CheckIfJobRemoved(jobID))(timeout).mapTo[Boolean]
    +
    +      val allFutures = responses ++ Seq(jobRemovedOnJobManager)
    +
    +      import context.dispatcher
    +      Future.fold(allFutures)(true)(_ & _) map(decorateMessage(_)) pipeTo sender()
    +
    +    case CheckIfJobRemoved(jobID) =>
    +      if(currentJobs.contains(jobID)) {
    +        context.system.scheduler.scheduleOnce(
    +          200 milliseconds,
    +          self,
    +          decorateMessage(CheckIfJobRemoved(jobID))
    +        )(context.dispatcher, sender())
    +      } else {
    +        sender() ! decorateMessage(true)
    +      }
    +
    +    case NotifyWhenTaskManagerTerminated(taskManager) =>
    +      val waiting = waitForTaskManagerToBeTerminated.getOrElse(taskManager.path.name,
Set())
    +      waitForTaskManagerToBeTerminated += taskManager.path.name -> (waiting + sender)
    +
    +    case msg@Terminated(taskManager) =>
    +      super.handleMessage(msg)
    +
    +      waitForTaskManagerToBeTerminated.remove(taskManager.path.name) foreach {
    +        _ foreach {
    +          listener =>
    +            listener ! decorateMessage(TaskManagerTerminated(taskManager))
    +        }
    +      }
    +
    +    case NotifyWhenAccumulatorChange(jobID) =>
    +
    +      val (updated, registered) = waitForAccumulatorUpdate.
    +        getOrElse(jobID, (false, Set[ActorRef]()))
    +      waitForAccumulatorUpdate += jobID -> (updated, registered + sender)
    +      sender ! true
    +
    +    /**
    +     * Notification from the task manager that changed accumulator are transferred on
next
    +     * Hearbeat. We need to keep this state to notify the listeners on next Heartbeat
report.
    +     */
    +    case AccumulatorsChanged(jobID: JobID) =>
    +      waitForAccumulatorUpdate.get(jobID) match {
    +        case Some((updated, registered)) =>
    +          waitForAccumulatorUpdate.put(jobID, (true, registered))
    +        case None =>
    +      }
    +
    +    /**
    +     * Disabled async processing of accumulator values and send accumulators to the listeners
if
    +     * we previously received an [[AccumulatorsChanged]] message.
    +     */
    +    case msg : Heartbeat =>
    +      super.handleMessage(msg)
    +
    +      waitForAccumulatorUpdate foreach {
    +        case (jobID, (updated, actors)) if updated =>
    +          currentJobs.get(jobID) match {
    +            case Some((graph, jobInfo)) =>
    +              val flinkAccumulators = graph.getFlinkAccumulators
    +              val userAccumulators = graph.aggregateUserAccumulators
    +              actors foreach {
    +                actor => actor ! UpdatedAccumulators(jobID, flinkAccumulators, userAccumulators)
    +              }
    +            case None =>
    +          }
    +          waitForAccumulatorUpdate.put(jobID, (false, actors))
    +        case _ =>
    +      }
    +
    +    case RequestWorkingTaskManager(jobID) =>
    +      currentJobs.get(jobID) match {
    +        case Some((eg, _)) =>
    +          if(eg.getAllExecutionVertices.asScala.isEmpty){
    +            sender ! decorateMessage(WorkingTaskManager(None))
    +          } else {
    +            val resource = eg.getAllExecutionVertices.asScala.head.getCurrentAssignedResource
    +
    +            if(resource == null){
    +              sender ! decorateMessage(WorkingTaskManager(None))
    +            } else {
    +              sender ! decorateMessage(
    +                WorkingTaskManager(
    +                  Some(resource.getInstance().getActorGateway)
    +                )
    +              )
    +            }
    +          }
    +        case None => sender ! decorateMessage(WorkingTaskManager(None))
    +      }
    +
    --- End diff --
    
    empty line


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message