Examples with ManuallyTriggeredScheduledExecutor org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor used on opensource projects

Example 1 with ManuallyTriggeredScheduledExecutor

use of org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor in project flink by apache.

the class CheckpointCoordinatorTest method testExternallyInducedSourceWithOperatorCoordinator.

/**
 * Test that the checkpoint still behave correctly when the task checkpoint is triggered by the
 * master hooks and finished before the master checkpoint. Also make sure that the operator
 * coordinators are checkpointed before starting the task checkpoint.
 */
@Test
public void testExternallyInducedSourceWithOperatorCoordinator() throws Exception {
    JobVertexID jobVertexID1 = new JobVertexID();
    JobVertexID jobVertexID2 = new JobVertexID();
    CheckpointCoordinatorTestingUtils.CheckpointRecorderTaskManagerGateway gateway = new CheckpointCoordinatorTestingUtils.CheckpointRecorderTaskManagerGateway();
    ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID1).addJobVertex(jobVertexID2).setTaskManagerGateway(gateway).build();
    ExecutionVertex vertex1 = graph.getJobVertex(jobVertexID1).getTaskVertices()[0];
    ExecutionVertex vertex2 = graph.getJobVertex(jobVertexID2).getTaskVertices()[0];
    ExecutionAttemptID attemptID1 = vertex1.getCurrentExecutionAttempt().getAttemptId();
    ExecutionAttemptID attemptID2 = vertex2.getCurrentExecutionAttempt().getAttemptId();
    OperatorID opID1 = vertex1.getJobVertex().getOperatorIDs().get(0).getGeneratedOperatorID();
    OperatorID opID2 = vertex2.getJobVertex().getOperatorIDs().get(0).getGeneratedOperatorID();
    TaskStateSnapshot taskOperatorSubtaskStates1 = new TaskStateSnapshot();
    TaskStateSnapshot taskOperatorSubtaskStates2 = new TaskStateSnapshot();
    OperatorSubtaskState subtaskState1 = OperatorSubtaskState.builder().build();
    OperatorSubtaskState subtaskState2 = OperatorSubtaskState.builder().build();
    taskOperatorSubtaskStates1.putSubtaskStateByOperatorID(opID1, subtaskState1);
    taskOperatorSubtaskStates1.putSubtaskStateByOperatorID(opID2, subtaskState2);
    // Create a mock OperatorCoordinatorCheckpointContext which completes the checkpoint
    // immediately.
    AtomicBoolean coordCheckpointDone = new AtomicBoolean(false);
    OperatorCoordinatorCheckpointContext coordinatorCheckpointContext = new CheckpointCoordinatorTestingUtils.MockOperatorCheckpointCoordinatorContextBuilder().setOnCallingCheckpointCoordinator((checkpointId, result) -> {
        coordCheckpointDone.set(true);
        result.complete(new byte[0]);
    }).setOperatorID(opID1).build();
    // set up the coordinator and validate the initial state
    CheckpointCoordinator checkpointCoordinator = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setCheckpointCoordinatorConfiguration(CheckpointCoordinatorConfiguration.builder().setMaxConcurrentCheckpoints(Integer.MAX_VALUE).build()).setTimer(manuallyTriggeredScheduledExecutor).setCoordinatorsToCheckpoint(Collections.singleton(coordinatorCheckpointContext)).build();
    AtomicReference<Long> checkpointIdRef = new AtomicReference<>();
    // Add a master hook which triggers and acks the task checkpoint immediately.
    // In this case the task checkpoints would complete before the job master checkpoint
    // completes.
    checkpointCoordinator.addMasterHook(new MasterTriggerRestoreHook<Integer>() {

        @Override
        public String getIdentifier() {
            return "anything";
        }

        @Override
        @Nullable
        public CompletableFuture<Integer> triggerCheckpoint(long checkpointId, long timestamp, Executor executor) throws Exception {
            assertTrue("The coordinator checkpoint should have finished.", coordCheckpointDone.get());
            // Acknowledge the checkpoint in the master hooks so the task snapshots
            // complete before
            // the master state snapshot completes.
            checkpointIdRef.set(checkpointId);
            AcknowledgeCheckpoint acknowledgeCheckpoint1 = new AcknowledgeCheckpoint(graph.getJobID(), attemptID1, checkpointId, new CheckpointMetrics(), taskOperatorSubtaskStates1);
            AcknowledgeCheckpoint acknowledgeCheckpoint2 = new AcknowledgeCheckpoint(graph.getJobID(), attemptID2, checkpointId, new CheckpointMetrics(), taskOperatorSubtaskStates2);
            checkpointCoordinator.receiveAcknowledgeMessage(acknowledgeCheckpoint1, TASK_MANAGER_LOCATION_INFO);
            checkpointCoordinator.receiveAcknowledgeMessage(acknowledgeCheckpoint2, TASK_MANAGER_LOCATION_INFO);
            return null;
        }

        @Override
        public void restoreCheckpoint(long checkpointId, Integer checkpointData) throws Exception {
        }

        @Override
        public SimpleVersionedSerializer<Integer> createCheckpointDataSerializer() {
            return new SimpleVersionedSerializer<Integer>() {

                @Override
                public int getVersion() {
                    return 0;
                }

                @Override
                public byte[] serialize(Integer obj) throws IOException {
                    return new byte[0];
                }

                @Override
                public Integer deserialize(int version, byte[] serialized) throws IOException {
                    return 1;
                }
            };
        }
    });
    // Verify initial state.
    assertEquals(0, checkpointCoordinator.getNumberOfPendingCheckpoints());
    assertEquals(0, checkpointCoordinator.getNumberOfRetainedSuccessfulCheckpoints());
    assertEquals(0, manuallyTriggeredScheduledExecutor.getActiveScheduledTasks().size());
    // trigger the first checkpoint. this should succeed
    final CompletableFuture<CompletedCheckpoint> checkpointFuture = checkpointCoordinator.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    FutureUtils.throwIfCompletedExceptionally(checkpointFuture);
    // now we should have a completed checkpoint
    assertEquals(1, checkpointCoordinator.getNumberOfRetainedSuccessfulCheckpoints());
    assertEquals(0, checkpointCoordinator.getNumberOfPendingCheckpoints());
    // the canceler should be removed now
    assertEquals(0, manuallyTriggeredScheduledExecutor.getActiveScheduledTasks().size());
    // validate that the relevant tasks got a confirmation message
    long checkpointId = checkpointIdRef.get();
    for (ExecutionVertex vertex : Arrays.asList(vertex1, vertex2)) {
        ExecutionAttemptID attemptId = vertex.getCurrentExecutionAttempt().getAttemptId();
        assertEquals(checkpointId, gateway.getOnlyTriggeredCheckpoint(attemptId).checkpointId);
    }
    CompletedCheckpoint success = checkpointCoordinator.getSuccessfulCheckpoints().get(0);
    assertEquals(graph.getJobID(), success.getJobId());
    assertEquals(2, success.getOperatorStates().size());
    checkpointCoordinator.shutdown();
}

Example 2 with ManuallyTriggeredScheduledExecutor

use of org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor in project flink by apache.

the class CheckpointCoordinatorTriggeringTest method testTriggerCheckpointInitializationFailed.

@Test
public void testTriggerCheckpointInitializationFailed() throws Exception {
    // set up the coordinator and validate the initial state
    CheckpointCoordinator checkpointCoordinator = new CheckpointCoordinatorBuilder().setCheckpointIDCounter(new UnstableCheckpointIDCounter(id -> id == 0)).setTimer(manuallyTriggeredScheduledExecutor).build();
    checkpointCoordinator.startCheckpointScheduler();
    final CompletableFuture<CompletedCheckpoint> onCompletionPromise1 = triggerPeriodicCheckpoint(checkpointCoordinator);
    assertTrue(checkpointCoordinator.isTriggering());
    assertEquals(0, checkpointCoordinator.getTriggerRequestQueue().size());
    manuallyTriggeredScheduledExecutor.triggerAll();
    try {
        onCompletionPromise1.get();
        fail("This checkpoint should fail through UnstableCheckpointIDCounter");
    } catch (ExecutionException e) {
        final Optional<CheckpointException> checkpointExceptionOptional = ExceptionUtils.findThrowable(e, CheckpointException.class);
        assertTrue(checkpointExceptionOptional.isPresent());
        assertEquals(CheckpointFailureReason.TRIGGER_CHECKPOINT_FAILURE, checkpointExceptionOptional.get().getCheckpointFailureReason());
    }
    assertFalse(checkpointCoordinator.isTriggering());
    assertEquals(0, checkpointCoordinator.getTriggerRequestQueue().size());
    final CompletableFuture<CompletedCheckpoint> onCompletionPromise2 = triggerPeriodicCheckpoint(checkpointCoordinator);
    assertTrue(checkpointCoordinator.isTriggering());
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertFalse(onCompletionPromise2.isCompletedExceptionally());
    assertFalse(checkpointCoordinator.isTriggering());
    assertEquals(0, checkpointCoordinator.getTriggerRequestQueue().size());
}

Example 3 with ManuallyTriggeredScheduledExecutor

use of org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor in project flink by apache.

the class CheckpointCoordinatorTriggeringTest method testTriggerCheckpointRequestQueuedWithFailure.

@Test
public void testTriggerCheckpointRequestQueuedWithFailure() throws Exception {
    JobVertexID jobVertexID = new JobVertexID();
    CheckpointCoordinatorTestingUtils.CheckpointRecorderTaskManagerGateway gateway = new CheckpointCoordinatorTestingUtils.CheckpointRecorderTaskManagerGateway();
    ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID).setTaskManagerGateway(gateway).build();
    ExecutionVertex vertex = graph.getJobVertex(jobVertexID).getTaskVertices()[0];
    ExecutionAttemptID attemptID = vertex.getCurrentExecutionAttempt().getAttemptId();
    // set up the coordinator and validate the initial state
    CheckpointCoordinator checkpointCoordinator = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setCheckpointIDCounter(new UnstableCheckpointIDCounter(id -> id == 0)).setTimer(manuallyTriggeredScheduledExecutor).build();
    checkpointCoordinator.startCheckpointScheduler();
    // start a periodic checkpoint first
    final CompletableFuture<CompletedCheckpoint> onCompletionPromise1 = triggerNonPeriodicCheckpoint(checkpointCoordinator);
    assertTrue(checkpointCoordinator.isTriggering());
    assertEquals(0, checkpointCoordinator.getTriggerRequestQueue().size());
    // another trigger before the prior one finished
    final CompletableFuture<CompletedCheckpoint> onCompletionPromise2 = triggerNonPeriodicCheckpoint(checkpointCoordinator);
    // another trigger before the first one finished
    final CompletableFuture<CompletedCheckpoint> onCompletionPromise3 = triggerNonPeriodicCheckpoint(checkpointCoordinator);
    assertTrue(checkpointCoordinator.isTriggering());
    assertEquals(2, checkpointCoordinator.getTriggerRequestQueue().size());
    manuallyTriggeredScheduledExecutor.triggerAll();
    // the first triggered checkpoint fails by design through UnstableCheckpointIDCounter
    assertTrue(onCompletionPromise1.isCompletedExceptionally());
    assertFalse(onCompletionPromise2.isCompletedExceptionally());
    assertFalse(onCompletionPromise3.isCompletedExceptionally());
    assertFalse(checkpointCoordinator.isTriggering());
    assertEquals(0, checkpointCoordinator.getTriggerRequestQueue().size());
    assertEquals(2, gateway.getTriggeredCheckpoints(attemptID).size());
}

Example 4 with ManuallyTriggeredScheduledExecutor

use of org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor in project flink by apache.

the class HeartbeatManagerTest method testHeartbeatMonitorUpdate.

/**
 * Tests that the heartbeat monitors are updated when receiving a new heartbeat signal.
 */
@Test
public void testHeartbeatMonitorUpdate() {
    long heartbeatTimeout = 1000L;
    ResourceID ownResourceID = new ResourceID("foobar");
    ResourceID targetResourceID = new ResourceID("barfoo");
    Object expectedObject = new Object();
    HeartbeatListener<Object, Object> heartbeatListener = new TestingHeartbeatListenerBuilder<>().setRetrievePayloadFunction(ignored -> CompletableFuture.completedFuture(expectedObject)).createNewTestingHeartbeatListener();
    final ManuallyTriggeredScheduledExecutor manuallyTriggeredScheduledExecutor = new ManuallyTriggeredScheduledExecutor();
    HeartbeatManagerImpl<Object, Object> heartbeatManager = new HeartbeatManagerImpl<>(heartbeatTimeout, FAILED_RPC_THRESHOLD, ownResourceID, heartbeatListener, manuallyTriggeredScheduledExecutor, LOG);
    heartbeatManager.monitorTarget(targetResourceID, new TestingHeartbeatTargetBuilder<>().createTestingHeartbeatTarget());
    heartbeatManager.receiveHeartbeat(targetResourceID, expectedObject);
    final List<ScheduledFuture<?>> scheduledTasksAfterHeartbeat = manuallyTriggeredScheduledExecutor.getAllScheduledTasks();
    assertThat(scheduledTasksAfterHeartbeat, hasSize(2));
    // the first scheduled future should be cancelled by the heartbeat update
    assertTrue(scheduledTasksAfterHeartbeat.get(0).isCancelled());
}

Example 5 with ManuallyTriggeredScheduledExecutor

use of org.apache.flink.util.concurrent.ManuallyTriggeredScheduledExecutor in project flink by apache.

the class DeclarativeSlotManagerTest method testSlotReportWithConflictingJobIdDuringSlotAllocation.

/**
 * Tests that a pending slot allocation is cancelled if a slot report indicates that the slot is
 * already allocated by another job.
 */
@Test
public void testSlotReportWithConflictingJobIdDuringSlotAllocation() throws Exception {
    final ResourceRequirements resourceRequirements = createResourceRequirementsForSingleSlot();
    final ArrayBlockingQueue<SlotID> requestedSlotIds = new ArrayBlockingQueue<>(2);
    final TestingTaskExecutorGateway taskExecutorGateway = new TestingTaskExecutorGatewayBuilder().setRequestSlotFunction(FunctionUtils.uncheckedFunction(requestSlotParameters -> {
        requestedSlotIds.put(requestSlotParameters.f0);
        return new CompletableFuture<>();
    })).createTestingTaskExecutorGateway();
    final TaskExecutorConnection taskExecutorConnection = createTaskExecutorConnection(taskExecutorGateway);
    final ResourceID resourceId = taskExecutorConnection.getResourceID();
    final SlotID slotId1 = new SlotID(resourceId, 0);
    final SlotID slotId2 = new SlotID(resourceId, 1);
    final SlotReport slotReport = new SlotReport(Arrays.asList(createFreeSlotStatus(slotId1), createFreeSlotStatus(slotId2)));
    final ScheduledExecutor mainThreadExecutor = new ManuallyTriggeredScheduledExecutor();
    try (final DeclarativeSlotManager slotManager = createDeclarativeSlotManagerBuilder().setScheduledExecutor(mainThreadExecutor).build()) {
        slotManager.start(ResourceManagerId.generate(), mainThreadExecutor, new TestingResourceActionsBuilder().build());
        slotManager.registerTaskManager(taskExecutorConnection, slotReport, ResourceProfile.ANY, ResourceProfile.ANY);
        slotManager.processResourceRequirements(resourceRequirements);
        final SlotID firstRequestedSlotId = requestedSlotIds.take();
        final SlotID freeSlotId = firstRequestedSlotId.equals(slotId1) ? slotId2 : slotId1;
        final SlotReport newSlotReport = new SlotReport(Arrays.asList(createAllocatedSlotStatus(firstRequestedSlotId), createFreeSlotStatus(freeSlotId)));
        slotManager.reportSlotStatus(taskExecutorConnection.getInstanceID(), newSlotReport);
        final SlotID secondRequestedSlotId = requestedSlotIds.take();
        assertEquals(freeSlotId, secondRequestedSlotId);
    }
}