Examples with AcknowledgeCheckpoint org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint used on opensource projects

Example 31 with AcknowledgeCheckpoint

use of org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint in project flink by apache.

the class CheckpointCoordinatorTest method testNotifyCheckpointAbortionInOperatorCoordinator.

@Test
public void testNotifyCheckpointAbortionInOperatorCoordinator() throws Exception {
    JobVertexID jobVertexID = new JobVertexID();
    ExecutionGraph graph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexID).build();
    ExecutionVertex executionVertex = graph.getJobVertex(jobVertexID).getTaskVertices()[0];
    ExecutionAttemptID attemptID = executionVertex.getCurrentExecutionAttempt().getAttemptId();
    CheckpointCoordinatorTestingUtils.MockOperatorCoordinatorCheckpointContext context = new CheckpointCoordinatorTestingUtils.MockOperatorCheckpointCoordinatorContextBuilder().setOperatorID(new OperatorID()).setOnCallingCheckpointCoordinator((ignored, future) -> future.complete(new byte[0])).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(context)).build();
    try {
        // Trigger checkpoint 1.
        checkpointCoordinator.triggerCheckpoint(false);
        manuallyTriggeredScheduledExecutor.triggerAll();
        long checkpointId1 = Collections.max(checkpointCoordinator.getPendingCheckpoints().keySet());
        // Trigger checkpoint 2.
        checkpointCoordinator.triggerCheckpoint(false);
        manuallyTriggeredScheduledExecutor.triggerAll();
        // Acknowledge checkpoint 2. This should abort checkpoint 1.
        long checkpointId2 = Collections.max(checkpointCoordinator.getPendingCheckpoints().keySet());
        AcknowledgeCheckpoint acknowledgeCheckpoint1 = new AcknowledgeCheckpoint(graph.getJobID(), attemptID, checkpointId2, new CheckpointMetrics(), null);
        checkpointCoordinator.receiveAcknowledgeMessage(acknowledgeCheckpoint1, "");
        // OperatorCoordinator should have been notified of the abortion of checkpoint 1.
        assertEquals(Collections.singletonList(1L), context.getAbortedCheckpoints());
        assertEquals(Collections.singletonList(2L), context.getCompletedCheckpoints());
    } finally {
        checkpointCoordinator.shutdown();
    }
}

Example 32 with AcknowledgeCheckpoint

use of org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint in project flink by apache.

the class CheckpointCoordinatorTest method performIncrementalCheckpoint.

private void performIncrementalCheckpoint(JobID jobId, CheckpointCoordinator checkpointCoordinator, ExecutionJobVertex jobVertex1, List<KeyGroupRange> keyGroupPartitions1, int cpSequenceNumber) throws Exception {
    // trigger the checkpoint
    checkpointCoordinator.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertEquals(1, checkpointCoordinator.getPendingCheckpoints().size());
    long checkpointId = Iterables.getOnlyElement(checkpointCoordinator.getPendingCheckpoints().keySet());
    for (int index = 0; index < jobVertex1.getParallelism(); index++) {
        KeyGroupRange keyGroupRange = keyGroupPartitions1.get(index);
        Map<StateHandleID, StreamStateHandle> privateState = new HashMap<>();
        privateState.put(new StateHandleID("private-1"), spy(new ByteStreamStateHandle("private-1", new byte[] { 'p' })));
        Map<StateHandleID, StreamStateHandle> sharedState = new HashMap<>();
        // let all but the first CP overlap by one shared state.
        if (cpSequenceNumber > 0) {
            sharedState.put(new StateHandleID("shared-" + (cpSequenceNumber - 1)), spy(new PlaceholderStreamStateHandle(1L)));
        }
        sharedState.put(new StateHandleID("shared-" + cpSequenceNumber), spy(new ByteStreamStateHandle("shared-" + cpSequenceNumber + "-" + keyGroupRange, new byte[] { 's' })));
        IncrementalRemoteKeyedStateHandle managedState = spy(new IncrementalRemoteKeyedStateHandle(new UUID(42L, 42L), keyGroupRange, checkpointId, sharedState, privateState, spy(new ByteStreamStateHandle("meta", new byte[] { 'm' }))));
        OperatorSubtaskState operatorSubtaskState = spy(OperatorSubtaskState.builder().setManagedKeyedState(managedState).build());
        Map<OperatorID, OperatorSubtaskState> opStates = new HashMap<>();
        opStates.put(jobVertex1.getOperatorIDs().get(0).getGeneratedOperatorID(), operatorSubtaskState);
        TaskStateSnapshot taskStateSnapshot = new TaskStateSnapshot(opStates);
        AcknowledgeCheckpoint acknowledgeCheckpoint = new AcknowledgeCheckpoint(jobId, jobVertex1.getTaskVertices()[index].getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), taskStateSnapshot);
        checkpointCoordinator.receiveAcknowledgeMessage(acknowledgeCheckpoint, TASK_MANAGER_LOCATION_INFO);
    }
}

Example 33 with AcknowledgeCheckpoint

use of org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint 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 34 with AcknowledgeCheckpoint

use of org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint 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 35 with AcknowledgeCheckpoint

use of org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint 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);
}