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

Example 6 with TestingConnectionManager

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

the class AlignedCheckpointsTest method createCheckpointedInputGate.

private CheckpointedInputGate createCheckpointedInputGate(int numberOfChannels, AbstractInvokable toNotify) throws IOException {
    final NettyShuffleEnvironment environment = new NettyShuffleEnvironmentBuilder().build();
    SingleInputGate gate = new SingleInputGateBuilder().setNumberOfChannels(numberOfChannels).setupBufferPoolFactory(environment).build();
    gate.setInputChannels(IntStream.range(0, numberOfChannels).mapToObj(channelIndex -> InputChannelBuilder.newBuilder().setChannelIndex(channelIndex).setupFromNettyShuffleEnvironment(environment).setConnectionManager(new TestingConnectionManager()).buildRemoteChannel(gate)).toArray(RemoteInputChannel[]::new));
    gate.setup();
    gate.requestPartitions();
    return createCheckpointedInputGate(gate, toNotify);
}

Example 7 with TestingConnectionManager

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

the class RemoteInputChannelTest method testOnFailedPartitionRequestDoesNotBlockNetworkThreads.

/**
 * Test to guard against FLINK-13249.
 */
@Test
public void testOnFailedPartitionRequestDoesNotBlockNetworkThreads() throws Exception {
    final long testBlockedWaitTimeoutMillis = 30_000L;
    final PartitionProducerStateChecker partitionProducerStateChecker = (jobId, intermediateDataSetId, resultPartitionId) -> CompletableFuture.completedFuture(ExecutionState.RUNNING);
    final NettyShuffleEnvironment shuffleEnvironment = new NettyShuffleEnvironmentBuilder().build();
    final Task task = new TestTaskBuilder(shuffleEnvironment).setPartitionProducerStateChecker(partitionProducerStateChecker).build();
    final SingleInputGate inputGate = new SingleInputGateBuilder().setPartitionProducerStateProvider(task).build();
    TestTaskBuilder.setTaskState(task, ExecutionState.RUNNING);
    final OneShotLatch ready = new OneShotLatch();
    final OneShotLatch blocker = new OneShotLatch();
    final AtomicBoolean timedOutOrInterrupted = new AtomicBoolean(false);
    final ConnectionManager blockingConnectionManager = new TestingConnectionManager() {

        @Override
        public PartitionRequestClient createPartitionRequestClient(ConnectionID connectionId) {
            ready.trigger();
            try {
                // We block here, in a section that holds the
                // SingleInputGate#requestLock
                blocker.await(testBlockedWaitTimeoutMillis, TimeUnit.MILLISECONDS);
            } catch (InterruptedException | TimeoutException e) {
                timedOutOrInterrupted.set(true);
            }
            return new TestingPartitionRequestClient();
        }
    };
    final RemoteInputChannel remoteInputChannel = InputChannelBuilder.newBuilder().setConnectionManager(blockingConnectionManager).buildRemoteChannel(inputGate);
    inputGate.setInputChannels(remoteInputChannel);
    final Thread simulatedNetworkThread = new Thread(() -> {
        try {
            ready.await();
            // We want to make sure that our simulated network thread does not
            // block on
            // SingleInputGate#requestLock as well through this call.
            remoteInputChannel.onFailedPartitionRequest();
            // Will only give free the blocker if we did not block ourselves.
            blocker.trigger();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    });
    simulatedNetworkThread.start();
    // The entry point to that will lead us into
    // blockingConnectionManager#createPartitionRequestClient(...).
    inputGate.requestPartitions();
    simulatedNetworkThread.join();
    Assert.assertFalse("Test ended by timeout or interruption - this indicates that the network thread was blocked.", timedOutOrInterrupted.get());
}

Example 8 with TestingConnectionManager

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

the class SingleInputGateTest method testRequestBuffersWithRemoteInputChannel.

/**
 * Tests that input gate requests and assigns network buffers for remote input channel.
 */
@Test
public void testRequestBuffersWithRemoteInputChannel() throws Exception {
    final NettyShuffleEnvironment network = createNettyShuffleEnvironment();
    final SingleInputGate inputGate = createInputGate(network, 1, ResultPartitionType.PIPELINED_BOUNDED);
    int buffersPerChannel = 2;
    int extraNetworkBuffersPerGate = 8;
    try (Closer closer = Closer.create()) {
        closer.register(network::close);
        closer.register(inputGate::close);
        RemoteInputChannel remote = InputChannelBuilder.newBuilder().setupFromNettyShuffleEnvironment(network).setConnectionManager(new TestingConnectionManager()).buildRemoteChannel(inputGate);
        inputGate.setInputChannels(remote);
        inputGate.setup();
        NetworkBufferPool bufferPool = network.getNetworkBufferPool();
        // only the exclusive buffers should be assigned/available now
        assertEquals(buffersPerChannel, remote.getNumberOfAvailableBuffers());
        assertEquals(bufferPool.getTotalNumberOfMemorySegments() - buffersPerChannel - 1, bufferPool.getNumberOfAvailableMemorySegments());
        // note: exclusive buffers are not handed out into LocalBufferPool and are thus not
        // counted
        assertEquals(extraNetworkBuffersPerGate, bufferPool.countBuffers());
    }
}

Example 9 with TestingConnectionManager

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

the class CheckpointBarrierTrackerTest method createCheckpointedInputGate.

// ------------------------------------------------------------------------
// Utils
// ------------------------------------------------------------------------
private CheckpointedInputGate createCheckpointedInputGate(int numberOfChannels, AbstractInvokable toNotify) throws IOException {
    final NettyShuffleEnvironment environment = new NettyShuffleEnvironmentBuilder().build();
    SingleInputGate gate = new SingleInputGateBuilder().setNumberOfChannels(numberOfChannels).setupBufferPoolFactory(environment).build();
    gate.setInputChannels(IntStream.range(0, numberOfChannels).mapToObj(channelIndex -> InputChannelBuilder.newBuilder().setChannelIndex(channelIndex).setupFromNettyShuffleEnvironment(environment).setConnectionManager(new TestingConnectionManager()).buildRemoteChannel(gate)).toArray(RemoteInputChannel[]::new));
    gate.setup();
    gate.requestPartitions();
    return createCheckpointedInputGate(gate, toNotify);
}