Examples with CheckpointCoordinatorBuilder org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder used on opensource projects

Example 36 with CheckpointCoordinatorBuilder

use of org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder in project flink by apache.

the class CheckpointCoordinatorFailureTest method testStoringFailureHandling.

private void testStoringFailureHandling(Exception failure, int expectedCleanupCalls) throws Exception {
    final JobVertexID jobVertexID1 = new JobVertexID();
    final ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID1).build();
    final ExecutionVertex vertex = graph.getJobVertex(jobVertexID1).getTaskVertices()[0];
    final ExecutionAttemptID attemptId = vertex.getCurrentExecutionAttempt().getAttemptId();
    final StandaloneCheckpointIDCounter checkpointIDCounter = new StandaloneCheckpointIDCounter();
    final ManuallyTriggeredScheduledExecutor manuallyTriggeredScheduledExecutor = new ManuallyTriggeredScheduledExecutor();
    final CompletedCheckpointStore completedCheckpointStore = new FailingCompletedCheckpointStore(failure);
    final AtomicInteger cleanupCallCount = new AtomicInteger(0);
    final CheckpointCoordinator checkpointCoordinator = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setCheckpointIDCounter(checkpointIDCounter).setCheckpointsCleaner(new CheckpointsCleaner() {

        private static final long serialVersionUID = 2029876992397573325L;

        @Override
        public void cleanCheckpointOnFailedStoring(CompletedCheckpoint completedCheckpoint, Executor executor) {
            cleanupCallCount.incrementAndGet();
            super.cleanCheckpointOnFailedStoring(completedCheckpoint, executor);
        }
    }).setCompletedCheckpointStore(completedCheckpointStore).setTimer(manuallyTriggeredScheduledExecutor).build();
    checkpointCoordinator.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    try {
        checkpointCoordinator.receiveAcknowledgeMessage(new AcknowledgeCheckpoint(graph.getJobID(), attemptId, checkpointIDCounter.getLast()), "unknown location");
        fail("CheckpointException should have been thrown.");
    } catch (CheckpointException e) {
        assertThat(e.getCheckpointFailureReason(), is(CheckpointFailureReason.FINALIZE_CHECKPOINT_FAILURE));
    }
    assertThat(cleanupCallCount.get(), is(expectedCleanupCalls));
}

Example 37 with CheckpointCoordinatorBuilder

use of org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder in project flink by apache.

the class CheckpointCoordinatorFailureTest method testFailingCompletedCheckpointStoreAdd.

/**
 * Tests that a failure while storing a completed checkpoint in the completed checkpoint store
 * will properly fail the originating pending checkpoint and clean upt the completed checkpoint.
 */
@Test
public void testFailingCompletedCheckpointStoreAdd() throws Exception {
    JobVertexID jobVertexId = new JobVertexID();
    final ManuallyTriggeredScheduledExecutor manuallyTriggeredScheduledExecutor = new ManuallyTriggeredScheduledExecutor();
    ExecutionGraph testGraph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexId).build();
    ExecutionVertex vertex = testGraph.getJobVertex(jobVertexId).getTaskVertices()[0];
    // set up the coordinator and validate the initial state
    CheckpointCoordinator coord = new CheckpointCoordinatorBuilder().setExecutionGraph(testGraph).setCompletedCheckpointStore(new FailingCompletedCheckpointStore(new Exception("The failing completed checkpoint store failed again... :-("))).setTimer(manuallyTriggeredScheduledExecutor).build();
    coord.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertEquals(1, coord.getNumberOfPendingCheckpoints());
    PendingCheckpoint pendingCheckpoint = coord.getPendingCheckpoints().values().iterator().next();
    assertFalse(pendingCheckpoint.isDisposed());
    final long checkpointId = coord.getPendingCheckpoints().keySet().iterator().next();
    KeyedStateHandle managedKeyedHandle = mock(KeyedStateHandle.class);
    KeyedStateHandle rawKeyedHandle = mock(KeyedStateHandle.class);
    OperatorStateHandle managedOpHandle = mock(OperatorStreamStateHandle.class);
    OperatorStateHandle rawOpHandle = mock(OperatorStreamStateHandle.class);
    InputChannelStateHandle inputChannelStateHandle = new InputChannelStateHandle(new InputChannelInfo(0, 1), mock(StreamStateHandle.class), Collections.singletonList(1L));
    ResultSubpartitionStateHandle resultSubpartitionStateHandle = new ResultSubpartitionStateHandle(new ResultSubpartitionInfo(0, 1), mock(StreamStateHandle.class), Collections.singletonList(1L));
    final OperatorSubtaskState operatorSubtaskState = spy(OperatorSubtaskState.builder().setManagedOperatorState(managedOpHandle).setRawOperatorState(rawOpHandle).setManagedKeyedState(managedKeyedHandle).setRawKeyedState(rawKeyedHandle).setInputChannelState(StateObjectCollection.singleton(inputChannelStateHandle)).setResultSubpartitionState(StateObjectCollection.singleton(resultSubpartitionStateHandle)).build());
    TaskStateSnapshot subtaskState = spy(new TaskStateSnapshot());
    subtaskState.putSubtaskStateByOperatorID(new OperatorID(), operatorSubtaskState);
    when(subtaskState.getSubtaskStateByOperatorID(OperatorID.fromJobVertexID(vertex.getJobvertexId()))).thenReturn(operatorSubtaskState);
    AcknowledgeCheckpoint acknowledgeMessage = new AcknowledgeCheckpoint(testGraph.getJobID(), vertex.getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), subtaskState);
    try {
        coord.receiveAcknowledgeMessage(acknowledgeMessage, "Unknown location");
        fail("Expected a checkpoint exception because the completed checkpoint store could not " + "store the completed checkpoint.");
    } catch (CheckpointException e) {
    // ignore because we expected this exception
    }
    // make sure that the pending checkpoint has been discarded after we could not complete it
    assertTrue(pendingCheckpoint.isDisposed());
    // make sure that the subtask state has been discarded after we could not complete it.
    verify(operatorSubtaskState).discardState();
    verify(operatorSubtaskState.getManagedOperatorState().iterator().next()).discardState();
    verify(operatorSubtaskState.getRawOperatorState().iterator().next()).discardState();
    verify(operatorSubtaskState.getManagedKeyedState().iterator().next()).discardState();
    verify(operatorSubtaskState.getRawKeyedState().iterator().next()).discardState();
    verify(operatorSubtaskState.getInputChannelState().iterator().next().getDelegate()).discardState();
    verify(operatorSubtaskState.getResultSubpartitionState().iterator().next().getDelegate()).discardState();
}

Example 38 with CheckpointCoordinatorBuilder

use of org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder in project flink by apache.

the class CheckpointCoordinatorRestoringTest method testRestoreLatestCheckpointedStateWithChangingParallelism.

/**
 * Tests the checkpoint restoration with changing parallelism of job vertex with partitioned
 * state.
 */
private void testRestoreLatestCheckpointedStateWithChangingParallelism(boolean scaleOut) throws Exception {
    final JobVertexID jobVertexID1 = new JobVertexID();
    final JobVertexID jobVertexID2 = new JobVertexID();
    int parallelism1 = 3;
    int parallelism2 = scaleOut ? 2 : 13;
    int maxParallelism1 = 42;
    int maxParallelism2 = 13;
    int newParallelism2 = scaleOut ? 13 : 2;
    CompletedCheckpointStore completedCheckpointStore = new EmbeddedCompletedCheckpointStore();
    final ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID1, parallelism1, maxParallelism1).addJobVertex(jobVertexID2, parallelism2, maxParallelism2).build();
    final ExecutionJobVertex jobVertex1 = graph.getJobVertex(jobVertexID1);
    final ExecutionJobVertex jobVertex2 = graph.getJobVertex(jobVertexID2);
    // set up the coordinator and validate the initial state
    CheckpointCoordinator coord = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setCompletedCheckpointStore(completedCheckpointStore).setTimer(manuallyTriggeredScheduledExecutor).build();
    // trigger the checkpoint
    coord.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertEquals(1, coord.getPendingCheckpoints().size());
    long checkpointId = Iterables.getOnlyElement(coord.getPendingCheckpoints().keySet());
    List<KeyGroupRange> keyGroupPartitions1 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism1, parallelism1);
    List<KeyGroupRange> keyGroupPartitions2 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism2, parallelism2);
    // vertex 1
    for (int index = 0; index < jobVertex1.getParallelism(); index++) {
        OperatorStateHandle opStateBackend = generatePartitionableStateHandle(jobVertexID1, index, 2, 8, false);
        KeyGroupsStateHandle keyedStateBackend = generateKeyGroupState(jobVertexID1, keyGroupPartitions1.get(index), false);
        KeyGroupsStateHandle keyedStateRaw = generateKeyGroupState(jobVertexID1, keyGroupPartitions1.get(index), true);
        OperatorSubtaskState operatorSubtaskState = OperatorSubtaskState.builder().setManagedOperatorState(opStateBackend).setManagedKeyedState(keyedStateBackend).setRawKeyedState(keyedStateRaw).setInputChannelState(StateObjectCollection.singleton(createNewInputChannelStateHandle(3, new Random()))).build();
        TaskStateSnapshot taskOperatorSubtaskStates = new TaskStateSnapshot();
        taskOperatorSubtaskStates.putSubtaskStateByOperatorID(OperatorID.fromJobVertexID(jobVertexID1), operatorSubtaskState);
        AcknowledgeCheckpoint acknowledgeCheckpoint = new AcknowledgeCheckpoint(graph.getJobID(), jobVertex1.getTaskVertices()[index].getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), taskOperatorSubtaskStates);
        coord.receiveAcknowledgeMessage(acknowledgeCheckpoint, TASK_MANAGER_LOCATION_INFO);
    }
    // vertex 2
    final List<ChainedStateHandle<OperatorStateHandle>> expectedOpStatesBackend = new ArrayList<>(jobVertex2.getParallelism());
    final List<ChainedStateHandle<OperatorStateHandle>> expectedOpStatesRaw = new ArrayList<>(jobVertex2.getParallelism());
    for (int index = 0; index < jobVertex2.getParallelism(); index++) {
        KeyGroupsStateHandle keyedStateBackend = generateKeyGroupState(jobVertexID2, keyGroupPartitions2.get(index), false);
        KeyGroupsStateHandle keyedStateRaw = generateKeyGroupState(jobVertexID2, keyGroupPartitions2.get(index), true);
        OperatorStateHandle opStateBackend = generatePartitionableStateHandle(jobVertexID2, index, 2, 8, false);
        OperatorStateHandle opStateRaw = generatePartitionableStateHandle(jobVertexID2, index, 2, 8, true);
        expectedOpStatesBackend.add(new ChainedStateHandle<>(singletonList(opStateBackend)));
        expectedOpStatesRaw.add(new ChainedStateHandle<>(singletonList(opStateRaw)));
        OperatorSubtaskState operatorSubtaskState = OperatorSubtaskState.builder().setManagedOperatorState(opStateBackend).setRawOperatorState(opStateRaw).setManagedKeyedState(keyedStateBackend).setRawKeyedState(keyedStateRaw).build();
        TaskStateSnapshot taskOperatorSubtaskStates = new TaskStateSnapshot();
        taskOperatorSubtaskStates.putSubtaskStateByOperatorID(OperatorID.fromJobVertexID(jobVertexID2), operatorSubtaskState);
        AcknowledgeCheckpoint acknowledgeCheckpoint = new AcknowledgeCheckpoint(graph.getJobID(), jobVertex2.getTaskVertices()[index].getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), taskOperatorSubtaskStates);
        coord.receiveAcknowledgeMessage(acknowledgeCheckpoint, TASK_MANAGER_LOCATION_INFO);
    }
    List<CompletedCheckpoint> completedCheckpoints = coord.getSuccessfulCheckpoints();
    assertEquals(1, completedCheckpoints.size());
    List<KeyGroupRange> newKeyGroupPartitions2 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism2, newParallelism2);
    // rescale vertex 2
    final ExecutionGraph newGraph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID1, parallelism1, maxParallelism1).addJobVertex(jobVertexID2, newParallelism2, maxParallelism2).build();
    final ExecutionJobVertex newJobVertex1 = newGraph.getJobVertex(jobVertexID1);
    final ExecutionJobVertex newJobVertex2 = newGraph.getJobVertex(jobVertexID2);
    // set up the coordinator and validate the initial state
    CheckpointCoordinator newCoord = new CheckpointCoordinatorBuilder().setExecutionGraph(newGraph).setCompletedCheckpointStore(completedCheckpointStore).setTimer(manuallyTriggeredScheduledExecutor).build();
    Set<ExecutionJobVertex> tasks = new HashSet<>();
    tasks.add(newJobVertex1);
    tasks.add(newJobVertex2);
    assertTrue(newCoord.restoreLatestCheckpointedStateToAll(tasks, false));
    // verify the restored state
    verifyStateRestore(jobVertexID1, newJobVertex1, keyGroupPartitions1);
    List<List<Collection<OperatorStateHandle>>> actualOpStatesBackend = new ArrayList<>(newJobVertex2.getParallelism());
    List<List<Collection<OperatorStateHandle>>> actualOpStatesRaw = new ArrayList<>(newJobVertex2.getParallelism());
    for (int i = 0; i < newJobVertex2.getParallelism(); i++) {
        List<OperatorIDPair> operatorIDs = newJobVertex2.getOperatorIDs();
        KeyGroupsStateHandle originalKeyedStateBackend = generateKeyGroupState(jobVertexID2, newKeyGroupPartitions2.get(i), false);
        KeyGroupsStateHandle originalKeyedStateRaw = generateKeyGroupState(jobVertexID2, newKeyGroupPartitions2.get(i), true);
        JobManagerTaskRestore taskRestore = newJobVertex2.getTaskVertices()[i].getCurrentExecutionAttempt().getTaskRestore();
        Assert.assertEquals(1L, taskRestore.getRestoreCheckpointId());
        TaskStateSnapshot taskStateHandles = taskRestore.getTaskStateSnapshot();
        final int headOpIndex = operatorIDs.size() - 1;
        List<Collection<OperatorStateHandle>> allParallelManagedOpStates = new ArrayList<>(operatorIDs.size());
        List<Collection<OperatorStateHandle>> allParallelRawOpStates = new ArrayList<>(operatorIDs.size());
        for (int idx = 0; idx < operatorIDs.size(); ++idx) {
            OperatorID operatorID = operatorIDs.get(idx).getGeneratedOperatorID();
            OperatorSubtaskState opState = taskStateHandles.getSubtaskStateByOperatorID(operatorID);
            Collection<OperatorStateHandle> opStateBackend = opState.getManagedOperatorState();
            Collection<OperatorStateHandle> opStateRaw = opState.getRawOperatorState();
            allParallelManagedOpStates.add(opStateBackend);
            allParallelRawOpStates.add(opStateRaw);
            if (idx == headOpIndex) {
                Collection<KeyedStateHandle> keyedStateBackend = opState.getManagedKeyedState();
                Collection<KeyedStateHandle> keyGroupStateRaw = opState.getRawKeyedState();
                compareKeyedState(singletonList(originalKeyedStateBackend), keyedStateBackend);
                compareKeyedState(singletonList(originalKeyedStateRaw), keyGroupStateRaw);
            }
        }
        actualOpStatesBackend.add(allParallelManagedOpStates);
        actualOpStatesRaw.add(allParallelRawOpStates);
    }
    comparePartitionableState(expectedOpStatesBackend, actualOpStatesBackend);
    comparePartitionableState(expectedOpStatesRaw, actualOpStatesRaw);
}

Example 39 with CheckpointCoordinatorBuilder

use of org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder in project flink by apache.

the class CheckpointCoordinatorRestoringTest method testJobGraphModificationsAreCheckedForSavepoint.

@Test
public void testJobGraphModificationsAreCheckedForSavepoint() throws Exception {
    final JobVertexID jobVertexID = new JobVertexID();
    ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID, 1, 1).build();
    CheckpointCoordinator coordinator = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setTimer(manuallyTriggeredScheduledExecutor).build();
    File savepointPath = tmpFolder.newFolder();
    CompletableFuture<CompletedCheckpoint> savepointFuture = coordinator.triggerSavepoint("file://" + savepointPath.getAbsolutePath(), SavepointFormatType.CANONICAL);
    manuallyTriggeredScheduledExecutor.triggerAll();
    long pendingSavepointId = coordinator.getPendingCheckpoints().keySet().stream().findFirst().get();
    coordinator.receiveAcknowledgeMessage(new AcknowledgeCheckpoint(graph.getJobID(), graph.getJobVertex(jobVertexID).getTaskVertices()[0].getCurrentExecutionAttempt().getAttemptId(), pendingSavepointId), "localhost");
    assertTrue(savepointFuture.isDone());
    BooleanValue checked = new BooleanValue(false);
    CheckpointCoordinator restoreCoordinator = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setVertexFinishedStateCheckerFactory((vertices, states) -> new VertexFinishedStateChecker(vertices, states) {

        @Override
        public void validateOperatorsFinishedState() {
            checked.set(true);
        }
    }).build();
    restoreCoordinator.restoreSavepoint(SavepointRestoreSettings.forPath(savepointFuture.get().getExternalPointer()), graph.getAllVertices(), getClass().getClassLoader());
    assertTrue("The finished states should be checked when job is restored on startup", checked.get());
}

Example 40 with CheckpointCoordinatorBuilder

use of org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTestingUtils.CheckpointCoordinatorBuilder in project flink by apache.

the class CheckpointCoordinatorRestoringTest method testRestoreLatestCheckpointedStateWithoutInFlightData.

@Test
public void testRestoreLatestCheckpointedStateWithoutInFlightData() throws Exception {
    // given: Operator with not empty states.
    final JobVertexID jobVertexID = new JobVertexID();
    int parallelism1 = 3;
    int maxParallelism1 = 42;
    CompletedCheckpointStore completedCheckpointStore = new EmbeddedCompletedCheckpointStore();
    final ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID, parallelism1, maxParallelism1).build();
    final ExecutionJobVertex jobVertex = graph.getJobVertex(jobVertexID);
    // set up the coordinator and validate the initial state
    CheckpointCoordinator coord = new CheckpointCoordinatorBuilder().setExecutionGraph(graph).setCompletedCheckpointStore(completedCheckpointStore).setCheckpointCoordinatorConfiguration(new CheckpointCoordinatorConfigurationBuilder().setCheckpointIdOfIgnoredInFlightData(1).build()).setTimer(manuallyTriggeredScheduledExecutor).build();
    // trigger the checkpoint
    coord.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertEquals(1, coord.getPendingCheckpoints().size());
    long checkpointId = Iterables.getOnlyElement(coord.getPendingCheckpoints().keySet());
    List<KeyGroupRange> keyGroupPartitions1 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism1, parallelism1);
    Random random = new Random();
    // fill the states and complete the checkpoint.
    for (int index = 0; index < jobVertex.getParallelism(); index++) {
        OperatorSubtaskState operatorSubtaskState = OperatorSubtaskState.builder().setManagedOperatorState(generatePartitionableStateHandle(jobVertexID, index, 2, 8, false)).setRawOperatorState(generatePartitionableStateHandle(jobVertexID, index, 2, 8, true)).setManagedKeyedState(generateKeyGroupState(jobVertexID, keyGroupPartitions1.get(index), false)).setRawKeyedState(generateKeyGroupState(jobVertexID, keyGroupPartitions1.get(index), true)).setInputChannelState(StateObjectCollection.singleton(createNewInputChannelStateHandle(3, random))).setResultSubpartitionState(StateObjectCollection.singleton(createNewResultSubpartitionStateHandle(3, random))).build();
        TaskStateSnapshot taskOperatorSubtaskStates = new TaskStateSnapshot();
        taskOperatorSubtaskStates.putSubtaskStateByOperatorID(OperatorID.fromJobVertexID(jobVertexID), operatorSubtaskState);
        AcknowledgeCheckpoint acknowledgeCheckpoint = new AcknowledgeCheckpoint(graph.getJobID(), jobVertex.getTaskVertices()[index].getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), taskOperatorSubtaskStates);
        coord.receiveAcknowledgeMessage(acknowledgeCheckpoint, TASK_MANAGER_LOCATION_INFO);
    }
    assertEquals(1, coord.getSuccessfulCheckpoints().size());
    // when: Restore latest checkpoint without in-flight data.
    Set<ExecutionJobVertex> tasks = new HashSet<>();
    tasks.add(jobVertex);
    assertTrue(coord.restoreLatestCheckpointedStateToAll(tasks, false));
    // then: All states should be restored successfully except InputChannel and
    // ResultSubpartition which should be ignored.
    verifyStateRestore(jobVertexID, jobVertex, keyGroupPartitions1);
    for (int i = 0; i < jobVertex.getParallelism(); i++) {
        JobManagerTaskRestore taskRestore = jobVertex.getTaskVertices()[i].getCurrentExecutionAttempt().getTaskRestore();
        Assert.assertEquals(1L, taskRestore.getRestoreCheckpointId());
        TaskStateSnapshot stateSnapshot = taskRestore.getTaskStateSnapshot();
        OperatorSubtaskState operatorState = stateSnapshot.getSubtaskStateByOperatorID(OperatorID.fromJobVertexID(jobVertexID));
        assertTrue(operatorState.getInputChannelState().isEmpty());
        assertTrue(operatorState.getResultSubpartitionState().isEmpty());
        assertFalse(operatorState.getRawOperatorState().isEmpty());
        assertFalse(operatorState.getManagedOperatorState().isEmpty());
        assertFalse(operatorState.getRawKeyedState().isEmpty());
        assertFalse(operatorState.getManagedOperatorState().isEmpty());
    }
}