Examples with CheckpointBarrier org.apache.flink.runtime.io.network.api.CheckpointBarrier used on opensource projects

Example 21 with CheckpointBarrier

use of org.apache.flink.runtime.io.network.api.CheckpointBarrier in project flink by apache.

the class AlternatingCheckpointsTest method testHasInflightDataBeforeProcessBarrier.

@Test
public void testHasInflightDataBeforeProcessBarrier() throws Exception {
    SingleInputGate inputGate = new SingleInputGateBuilder().setNumberOfChannels(2).build();
    inputGate.setInputChannels(new TestInputChannel(inputGate, 0), new TestInputChannel(inputGate, 1));
    ValidatingCheckpointHandler target = new ValidatingCheckpointHandler();
    SingleCheckpointBarrierHandler barrierHandler = getTestBarrierHandlerFactory(target).create(inputGate);
    final long id = 1;
    barrierHandler.processBarrier(new CheckpointBarrier(id, clock.relativeTimeMillis(), new CheckpointOptions(CHECKPOINT, getDefault())), new InputChannelInfo(0, 0), false);
    assertFalse(barrierHandler.getAllBarriersReceivedFuture(id).isDone());
}

Example 22 with CheckpointBarrier

use of org.apache.flink.runtime.io.network.api.CheckpointBarrier in project flink by apache.

the class AlternatingCheckpointsTest method testPreviousHandlerReset.

@Test
public void testPreviousHandlerReset() throws Exception {
    SingleInputGate inputGate = new SingleInputGateBuilder().setNumberOfChannels(2).build();
    TestInputChannel[] channels = { new TestInputChannel(inputGate, 0), new TestInputChannel(inputGate, 1) };
    inputGate.setInputChannels(channels);
    ValidatingCheckpointHandler target = new ValidatingCheckpointHandler();
    SingleCheckpointBarrierHandler barrierHandler = getTestBarrierHandlerFactory(target).create(inputGate);
    for (int i = 0; i < 4; i++) {
        int channel = i % 2;
        SnapshotType type = channel == 0 ? SavepointType.savepoint(SavepointFormatType.CANONICAL) : CHECKPOINT;
        target.setNextExpectedCheckpointId(-1);
        if (type.isSavepoint()) {
            channels[channel].setBlocked(true);
        }
        barrierHandler.processBarrier(new CheckpointBarrier(i, clock.relativeTimeMillis(), new CheckpointOptions(type, getDefault())), new InputChannelInfo(0, channel), false);
        if (type.isSavepoint()) {
            assertTrue(channels[channel].isBlocked());
            assertFalse(channels[(channel + 1) % 2].isBlocked());
        } else {
            assertFalse(channels[0].isBlocked());
            assertFalse(channels[1].isBlocked());
        }
        assertTrue(barrierHandler.isCheckpointPending());
        assertFalse(barrierHandler.getAllBarriersReceivedFuture(i).isDone());
        channels[0].setBlocked(false);
        channels[1].setBlocked(false);
    }
}

Example 23 with CheckpointBarrier

use of org.apache.flink.runtime.io.network.api.CheckpointBarrier in project flink by apache.

the class AlternatingCheckpointsTest method testOutOfOrderBarrier.

@Test
public void testOutOfOrderBarrier() throws Exception {
    SingleInputGate inputGate = new SingleInputGateBuilder().setNumberOfChannels(2).build();
    TestInputChannel firstChannel = new TestInputChannel(inputGate, 0);
    TestInputChannel secondChannel = new TestInputChannel(inputGate, 1);
    inputGate.setInputChannels(firstChannel, secondChannel);
    ValidatingCheckpointHandler target = new ValidatingCheckpointHandler();
    SingleCheckpointBarrierHandler barrierHandler = getTestBarrierHandlerFactory(target).create(inputGate);
    long checkpointId = 10;
    long outOfOrderSavepointId = 5;
    barrierHandler.processBarrier(new CheckpointBarrier(checkpointId, clock.relativeTimeMillis(), new CheckpointOptions(CHECKPOINT, getDefault())), new InputChannelInfo(0, 0), false);
    secondChannel.setBlocked(true);
    barrierHandler.processBarrier(new CheckpointBarrier(outOfOrderSavepointId, clock.relativeTimeMillis(), new CheckpointOptions(SavepointType.savepoint(SavepointFormatType.CANONICAL), getDefault())), new InputChannelInfo(0, 1), false);
    assertEquals(checkpointId, barrierHandler.getLatestCheckpointId());
    assertFalse(secondChannel.isBlocked());
}

Example 24 with CheckpointBarrier

use of org.apache.flink.runtime.io.network.api.CheckpointBarrier in project flink by apache.

the class InputProcessorUtilTest method testCreateCheckpointedMultipleInputGate.

@Test
public void testCreateCheckpointedMultipleInputGate() throws Exception {
    try (CloseableRegistry registry = new CloseableRegistry()) {
        MockEnvironment environment = new MockEnvironmentBuilder().build();
        MockStreamTask streamTask = new MockStreamTaskBuilder(environment).build();
        StreamConfig streamConfig = new StreamConfig(environment.getJobConfiguration());
        streamConfig.setCheckpointMode(CheckpointingMode.EXACTLY_ONCE);
        streamConfig.setUnalignedCheckpointsEnabled(true);
        // First input gate has index larger than the second
        List<IndexedInputGate>[] inputGates = new List[] { Collections.singletonList(getGate(1, 4)), Collections.singletonList(getGate(0, 2)) };
        CheckpointBarrierHandler barrierHandler = InputProcessorUtil.createCheckpointBarrierHandler(streamTask, streamConfig, new TestSubtaskCheckpointCoordinator(new MockChannelStateWriter()), streamTask.getName(), inputGates, Collections.emptyList(), new SyncMailboxExecutor(), new TestProcessingTimeService());
        CheckpointedInputGate[] checkpointedMultipleInputGate = InputProcessorUtil.createCheckpointedMultipleInputGate(new SyncMailboxExecutor(), inputGates, environment.getMetricGroup().getIOMetricGroup(), barrierHandler, streamConfig);
        for (CheckpointedInputGate checkpointedInputGate : checkpointedMultipleInputGate) {
            registry.registerCloseable(checkpointedInputGate);
        }
        List<IndexedInputGate> allInputGates = Arrays.stream(inputGates).flatMap(gates -> gates.stream()).collect(Collectors.toList());
        for (IndexedInputGate inputGate : allInputGates) {
            for (int channelId = 0; channelId < inputGate.getNumberOfInputChannels(); channelId++) {
                barrierHandler.processBarrier(new CheckpointBarrier(1, 42, CheckpointOptions.unaligned(CheckpointType.CHECKPOINT, CheckpointStorageLocationReference.getDefault())), new InputChannelInfo(inputGate.getGateIndex(), channelId), false);
            }
        }
        assertTrue(barrierHandler.getAllBarriersReceivedFuture(1).isDone());
    }
}

Example 25 with CheckpointBarrier

use of org.apache.flink.runtime.io.network.api.CheckpointBarrier in project flink by apache.

the class LocalInputChannelTest method testCheckpointingInflightData.

@Test
public void testCheckpointingInflightData() throws Exception {
    SingleInputGate inputGate = new SingleInputGateBuilder().build();
    PipelinedResultPartition parent = (PipelinedResultPartition) PartitionTestUtils.createPartition(ResultPartitionType.PIPELINED, NoOpFileChannelManager.INSTANCE);
    ResultSubpartition subpartition = parent.getAllPartitions()[0];
    ResultSubpartitionView subpartitionView = subpartition.createReadView(() -> {
    });
    TestingResultPartitionManager partitionManager = new TestingResultPartitionManager(subpartitionView);
    final RecordingChannelStateWriter stateWriter = new RecordingChannelStateWriter();
    LocalInputChannel channel = createLocalInputChannel(inputGate, partitionManager, 0, 0, b -> b.setStateWriter(stateWriter));
    inputGate.setInputChannels(channel);
    channel.requestSubpartition();
    final CheckpointStorageLocationReference location = getDefault();
    CheckpointOptions options = CheckpointOptions.unaligned(CheckpointType.CHECKPOINT, location);
    stateWriter.start(0, options);
    final CheckpointBarrier barrier = new CheckpointBarrier(0, 123L, options);
    channel.checkpointStarted(barrier);
    // add 1 buffer before barrier and 1 buffer afterwards. Only the first buffer should be
    // written.
    subpartition.add(createFilledFinishedBufferConsumer(1));
    assertTrue(channel.getNextBuffer().isPresent());
    subpartition.add(EventSerializer.toBufferConsumer(barrier, true));
    assertTrue(channel.getNextBuffer().isPresent());
    subpartition.add(createFilledFinishedBufferConsumer(2));
    assertTrue(channel.getNextBuffer().isPresent());
    assertArrayEquals(stateWriter.getAddedInput().get(channel.getChannelInfo()).stream().mapToInt(Buffer::getSize).toArray(), new int[] { 1 });
}