Examples with InputChannelDeploymentDescriptor org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor used on opensource projects

Example 1 with InputChannelDeploymentDescriptor

use of org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor in project flink by apache.

the class SingleInputGateTest method testUpdateChannelBeforeRequest.

/**
	 * Tests that an update channel does not trigger a partition request before the UDF has
	 * requested any partitions. Otherwise, this can lead to races when registering a listener at
	 * the gate (e.g. in UnionInputGate), which can result in missed buffer notifications at the
	 * listener.
	 */
@Test
public void testUpdateChannelBeforeRequest() throws Exception {
    SingleInputGate inputGate = new SingleInputGate("t1", new JobID(), new IntermediateDataSetID(), ResultPartitionType.PIPELINED, 0, 1, mock(TaskActions.class), new UnregisteredTaskMetricsGroup.DummyTaskIOMetricGroup());
    ResultPartitionManager partitionManager = mock(ResultPartitionManager.class);
    InputChannel unknown = new UnknownInputChannel(inputGate, 0, new ResultPartitionID(), partitionManager, new TaskEventDispatcher(), new LocalConnectionManager(), 0, 0, new UnregisteredTaskMetricsGroup.DummyTaskIOMetricGroup());
    inputGate.setInputChannel(unknown.partitionId.getPartitionId(), unknown);
    // Update to a local channel and verify that no request is triggered
    inputGate.updateInputChannel(new InputChannelDeploymentDescriptor(unknown.partitionId, ResultPartitionLocation.createLocal()));
    verify(partitionManager, never()).createSubpartitionView(any(ResultPartitionID.class), anyInt(), any(BufferProvider.class), any(BufferAvailabilityListener.class));
}

Example 2 with InputChannelDeploymentDescriptor

use of org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor in project flink by apache.

the class SingleInputGateTest method testBackwardsEventWithUninitializedChannel.

@Test
public void testBackwardsEventWithUninitializedChannel() throws Exception {
    // Setup environment
    final TaskEventDispatcher taskEventDispatcher = mock(TaskEventDispatcher.class);
    when(taskEventDispatcher.publish(any(ResultPartitionID.class), any(TaskEvent.class))).thenReturn(true);
    final ResultSubpartitionView iterator = mock(ResultSubpartitionView.class);
    when(iterator.getNextBuffer()).thenReturn(new Buffer(MemorySegmentFactory.allocateUnpooledSegment(1024), mock(BufferRecycler.class)));
    final ResultPartitionManager partitionManager = mock(ResultPartitionManager.class);
    when(partitionManager.createSubpartitionView(any(ResultPartitionID.class), anyInt(), any(BufferProvider.class), any(BufferAvailabilityListener.class))).thenReturn(iterator);
    // Setup reader with one local and one unknown input channel
    final IntermediateDataSetID resultId = new IntermediateDataSetID();
    final SingleInputGate inputGate = new SingleInputGate("Test Task Name", new JobID(), resultId, ResultPartitionType.PIPELINED, 0, 2, mock(TaskActions.class), new UnregisteredTaskMetricsGroup.DummyTaskIOMetricGroup());
    final BufferPool bufferPool = mock(BufferPool.class);
    when(bufferPool.getNumberOfRequiredMemorySegments()).thenReturn(2);
    inputGate.setBufferPool(bufferPool);
    // Local
    ResultPartitionID localPartitionId = new ResultPartitionID(new IntermediateResultPartitionID(), new ExecutionAttemptID());
    InputChannel local = new LocalInputChannel(inputGate, 0, localPartitionId, partitionManager, taskEventDispatcher, new UnregisteredTaskMetricsGroup.DummyTaskIOMetricGroup());
    // Unknown
    ResultPartitionID unknownPartitionId = new ResultPartitionID(new IntermediateResultPartitionID(), new ExecutionAttemptID());
    InputChannel unknown = new UnknownInputChannel(inputGate, 1, unknownPartitionId, partitionManager, taskEventDispatcher, mock(ConnectionManager.class), 0, 0, new UnregisteredTaskMetricsGroup.DummyTaskIOMetricGroup());
    // Set channels
    inputGate.setInputChannel(localPartitionId.getPartitionId(), local);
    inputGate.setInputChannel(unknownPartitionId.getPartitionId(), unknown);
    // Request partitions
    inputGate.requestPartitions();
    // Only the local channel can request
    verify(partitionManager, times(1)).createSubpartitionView(any(ResultPartitionID.class), anyInt(), any(BufferProvider.class), any(BufferAvailabilityListener.class));
    // Send event backwards and initialize unknown channel afterwards
    final TaskEvent event = new TestTaskEvent();
    inputGate.sendTaskEvent(event);
    // Only the local channel can send out the event
    verify(taskEventDispatcher, times(1)).publish(any(ResultPartitionID.class), any(TaskEvent.class));
    // After the update, the pending event should be send to local channel
    inputGate.updateInputChannel(new InputChannelDeploymentDescriptor(new ResultPartitionID(unknownPartitionId.getPartitionId(), unknownPartitionId.getProducerId()), ResultPartitionLocation.createLocal()));
    verify(partitionManager, times(2)).createSubpartitionView(any(ResultPartitionID.class), anyInt(), any(BufferProvider.class), any(BufferAvailabilityListener.class));
    verify(taskEventDispatcher, times(2)).publish(any(ResultPartitionID.class), any(TaskEvent.class));
}

Example 3 with InputChannelDeploymentDescriptor

use of org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor in project flink by apache.

the class TaskManagerTest method testCancellingDependentAndStateUpdateFails.

@Test
public void testCancellingDependentAndStateUpdateFails() {
    // this tests creates two tasks. the sender sends data, and fails to send the
    // state update back to the job manager
    // the second one blocks to be canceled
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                final JobID jid = new JobID();
                JobVertexID vid1 = new JobVertexID();
                JobVertexID vid2 = new JobVertexID();
                final ExecutionAttemptID eid1 = new ExecutionAttemptID();
                final ExecutionAttemptID eid2 = new ExecutionAttemptID();
                ActorRef jm = system.actorOf(Props.create(new SimpleLookupFailingUpdateJobManagerCreator(leaderSessionID, eid2)));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                taskManager = TestingUtils.createTaskManager(system, jobManager, new Configuration(), true, true);
                final ActorGateway tm = taskManager;
                IntermediateResultPartitionID partitionId = new IntermediateResultPartitionID();
                List<ResultPartitionDeploymentDescriptor> irpdd = new ArrayList<ResultPartitionDeploymentDescriptor>();
                irpdd.add(new ResultPartitionDeploymentDescriptor(new IntermediateDataSetID(), partitionId, ResultPartitionType.PIPELINED, 1, 1, true));
                InputGateDeploymentDescriptor ircdd = new InputGateDeploymentDescriptor(new IntermediateDataSetID(), ResultPartitionType.PIPELINED, 0, new InputChannelDeploymentDescriptor[] { new InputChannelDeploymentDescriptor(new ResultPartitionID(partitionId, eid1), ResultPartitionLocation.createLocal()) });
                final TaskDeploymentDescriptor tdd1 = createTaskDeploymentDescriptor(jid, "TestJob", vid1, eid1, new SerializedValue<>(new ExecutionConfig()), "Sender", 1, 0, 1, 0, new Configuration(), new Configuration(), Tasks.Sender.class.getName(), irpdd, Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                final TaskDeploymentDescriptor tdd2 = createTaskDeploymentDescriptor(jid, "TestJob", vid2, eid2, new SerializedValue<>(new ExecutionConfig()), "Receiver", 7, 2, 7, 0, new Configuration(), new Configuration(), Tasks.BlockingReceiver.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.singletonList(ircdd), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                new Within(d) {

                    @Override
                    protected void run() {
                        try {
                            Future<Object> t1Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid1), timeout);
                            Future<Object> t2Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid2), timeout);
                            tm.tell(new SubmitTask(tdd2), testActorGateway);
                            tm.tell(new SubmitTask(tdd1), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            expectMsgEquals(Acknowledge.get());
                            Await.ready(t1Running, d);
                            Await.ready(t2Running, d);
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            Map<ExecutionAttemptID, Task> tasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            Task t1 = tasks.get(eid1);
                            Task t2 = tasks.get(eid2);
                            tm.tell(new CancelTask(eid2), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            if (t2 != null) {
                                Future<Object> response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid2), timeout);
                                Await.ready(response, d);
                            }
                            if (t1 != null) {
                                if (t1.getExecutionState() == ExecutionState.RUNNING) {
                                    tm.tell(new CancelTask(eid1), testActorGateway);
                                    expectMsgEquals(Acknowledge.get());
                                }
                                Future<Object> response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid1), timeout);
                                Await.ready(response, d);
                            }
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            tasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            assertEquals(0, tasks.size());
                        } catch (Exception e) {
                            e.printStackTrace();
                            fail(e.getMessage());
                        }
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                // shut down the actors
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 4 with InputChannelDeploymentDescriptor

use of org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor in project flink by apache.

the class TaskManagerTest method testRemotePartitionNotFound.

/**
	 * Tests that repeated remote {@link PartitionNotFoundException}s ultimately fail the receiver.
	 */
@Test
public void testRemotePartitionNotFound() throws Exception {
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                final IntermediateDataSetID resultId = new IntermediateDataSetID();
                // Create the JM
                ActorRef jm = system.actorOf(Props.create(new SimplePartitionStateLookupJobManagerCreator(leaderSessionID, getTestActor())));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                final int dataPort = NetUtils.getAvailablePort();
                Configuration config = new Configuration();
                config.setInteger(ConfigConstants.TASK_MANAGER_DATA_PORT_KEY, dataPort);
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_INITIAL, 100);
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_MAX, 200);
                taskManager = TestingUtils.createTaskManager(system, jobManager, config, false, true);
                // ---------------------------------------------------------------------------------
                final ActorGateway tm = taskManager;
                final JobID jid = new JobID();
                final JobVertexID vid = new JobVertexID();
                final ExecutionAttemptID eid = new ExecutionAttemptID();
                final ResultPartitionID partitionId = new ResultPartitionID();
                // Remote location (on the same TM though) for the partition
                final ResultPartitionLocation loc = ResultPartitionLocation.createRemote(new ConnectionID(new InetSocketAddress("localhost", dataPort), 0));
                final InputChannelDeploymentDescriptor[] icdd = new InputChannelDeploymentDescriptor[] { new InputChannelDeploymentDescriptor(partitionId, loc) };
                final InputGateDeploymentDescriptor igdd = new InputGateDeploymentDescriptor(resultId, ResultPartitionType.PIPELINED, 0, icdd);
                final TaskDeploymentDescriptor tdd = createTaskDeploymentDescriptor(jid, "TestJob", vid, eid, new SerializedValue<>(new ExecutionConfig()), "Receiver", 1, 0, 1, 0, new Configuration(), new Configuration(), Tasks.AgnosticReceiver.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.singletonList(igdd), Collections.<BlobKey>emptyList(), Collections.<URL>emptyList(), 0);
                new Within(d) {

                    @Override
                    protected void run() {
                        // Submit the task
                        tm.tell(new SubmitTask(tdd), testActorGateway);
                        expectMsgClass(Acknowledge.get().getClass());
                        // Wait to be notified about the final execution state by the mock JM
                        TaskExecutionState msg = expectMsgClass(TaskExecutionState.class);
                        // The task should fail after repeated requests
                        assertEquals(ExecutionState.FAILED, msg.getExecutionState());
                        Throwable t = msg.getError(ClassLoader.getSystemClassLoader());
                        assertEquals("Thrown exception was not a PartitionNotFoundException: " + t.getMessage(), PartitionNotFoundException.class, t.getClass());
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 5 with InputChannelDeploymentDescriptor

use of org.apache.flink.runtime.deployment.InputChannelDeploymentDescriptor in project flink by apache.

the class ExecutionVertex method createDeploymentDescriptor.

/**
	 * Creates a task deployment descriptor to deploy a subtask to the given target slot.
	 *
	 * TODO: This should actually be in the EXECUTION
	 */
TaskDeploymentDescriptor createDeploymentDescriptor(ExecutionAttemptID executionId, SimpleSlot targetSlot, TaskStateHandles taskStateHandles, int attemptNumber) throws ExecutionGraphException {
    // Produced intermediate results
    List<ResultPartitionDeploymentDescriptor> producedPartitions = new ArrayList<>(resultPartitions.size());
    // Consumed intermediate results
    List<InputGateDeploymentDescriptor> consumedPartitions = new ArrayList<>(inputEdges.length);
    boolean lazyScheduling = getExecutionGraph().getScheduleMode().allowLazyDeployment();
    for (IntermediateResultPartition partition : resultPartitions.values()) {
        List<List<ExecutionEdge>> consumers = partition.getConsumers();
        if (consumers.isEmpty()) {
            //TODO this case only exists for test, currently there has to be exactly one consumer in real jobs!
            producedPartitions.add(ResultPartitionDeploymentDescriptor.from(partition, ExecutionConfig.UPPER_BOUND_MAX_PARALLELISM, lazyScheduling));
        } else {
            Preconditions.checkState(1 == consumers.size(), "Only one consumer supported in the current implementation! Found: " + consumers.size());
            List<ExecutionEdge> consumer = consumers.get(0);
            ExecutionJobVertex vertex = consumer.get(0).getTarget().getJobVertex();
            int maxParallelism = vertex.getMaxParallelism();
            producedPartitions.add(ResultPartitionDeploymentDescriptor.from(partition, maxParallelism, lazyScheduling));
        }
    }
    for (ExecutionEdge[] edges : inputEdges) {
        InputChannelDeploymentDescriptor[] partitions = InputChannelDeploymentDescriptor.fromEdges(edges, targetSlot, lazyScheduling);
        // If the produced partition has multiple consumers registered, we
        // need to request the one matching our sub task index.
        // TODO Refactor after removing the consumers from the intermediate result partitions
        int numConsumerEdges = edges[0].getSource().getConsumers().get(0).size();
        int queueToRequest = subTaskIndex % numConsumerEdges;
        IntermediateResult consumedIntermediateResult = edges[0].getSource().getIntermediateResult();
        final IntermediateDataSetID resultId = consumedIntermediateResult.getId();
        final ResultPartitionType partitionType = consumedIntermediateResult.getResultType();
        consumedPartitions.add(new InputGateDeploymentDescriptor(resultId, partitionType, queueToRequest, partitions));
    }
    SerializedValue<JobInformation> serializedJobInformation = getExecutionGraph().getSerializedJobInformation();
    SerializedValue<TaskInformation> serializedJobVertexInformation = null;
    try {
        serializedJobVertexInformation = jobVertex.getSerializedTaskInformation();
    } catch (IOException e) {
        throw new ExecutionGraphException("Could not create a serialized JobVertexInformation for " + jobVertex.getJobVertexId(), e);
    }
    return new TaskDeploymentDescriptor(serializedJobInformation, serializedJobVertexInformation, executionId, targetSlot.getAllocatedSlot().getSlotAllocationId(), subTaskIndex, attemptNumber, targetSlot.getRoot().getSlotNumber(), taskStateHandles, producedPartitions, consumedPartitions);
}