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

Example 1 with NoOpResultSubpartitionView

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

the class SingleInputGateTest method testBackwardsEventWithUninitializedChannel.

@Test
public void testBackwardsEventWithUninitializedChannel() throws Exception {
    // Setup environment
    TestingTaskEventPublisher taskEventPublisher = new TestingTaskEventPublisher();
    TestingResultPartitionManager partitionManager = new TestingResultPartitionManager(new NoOpResultSubpartitionView());
    // Setup reader with one local and one unknown input channel
    NettyShuffleEnvironment environment = createNettyShuffleEnvironment();
    final SingleInputGate inputGate = createInputGate(environment, 2, ResultPartitionType.PIPELINED);
    final InputChannel[] inputChannels = new InputChannel[2];
    try (Closer closer = Closer.create()) {
        closer.register(environment::close);
        closer.register(inputGate::close);
        // Local
        ResultPartitionID localPartitionId = new ResultPartitionID();
        inputChannels[0] = InputChannelBuilder.newBuilder().setPartitionId(localPartitionId).setPartitionManager(partitionManager).setTaskEventPublisher(taskEventPublisher).buildLocalChannel(inputGate);
        // Unknown
        ResultPartitionID unknownPartitionId = new ResultPartitionID();
        inputChannels[1] = InputChannelBuilder.newBuilder().setChannelIndex(1).setPartitionId(unknownPartitionId).setPartitionManager(partitionManager).setTaskEventPublisher(taskEventPublisher).buildUnknownChannel(inputGate);
        setupInputGate(inputGate, inputChannels);
        // Only the local channel can request
        assertEquals(1, partitionManager.counter);
        // Send event backwards and initialize unknown channel afterwards
        final TaskEvent event = new TestTaskEvent();
        inputGate.sendTaskEvent(event);
        // Only the local channel can send out the event
        assertEquals(1, taskEventPublisher.counter);
        // After the update, the pending event should be send to local channel
        ResourceID location = ResourceID.generate();
        inputGate.updateInputChannel(location, createRemoteWithIdAndLocation(unknownPartitionId.getPartitionId(), location));
        assertEquals(2, partitionManager.counter);
        assertEquals(2, taskEventPublisher.counter);
    }
}

Example 2 with NoOpResultSubpartitionView

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

the class SingleInputGateTest method testUpdateChannelBeforeRequest.

/**
 * Tests that an update channel does not trigger a partition request before the UDF has
 * requested any partitions. Otherwise, this can lead to races when registering a listener at
 * the gate (e.g. in UnionInputGate), which can result in missed buffer notifications at the
 * listener.
 */
@Test
public void testUpdateChannelBeforeRequest() throws Exception {
    SingleInputGate inputGate = createInputGate(1);
    TestingResultPartitionManager partitionManager = new TestingResultPartitionManager(new NoOpResultSubpartitionView());
    InputChannel unknown = InputChannelBuilder.newBuilder().setPartitionManager(partitionManager).buildUnknownChannel(inputGate);
    inputGate.setInputChannels(unknown);
    // Update to a local channel and verify that no request is triggered
    ResultPartitionID resultPartitionID = unknown.getPartitionId();
    ResourceID location = ResourceID.generate();
    inputGate.updateInputChannel(location, createRemoteWithIdAndLocation(resultPartitionID.getPartitionId(), location));
    assertEquals(0, partitionManager.counter);
}

Example 3 with NoOpResultSubpartitionView

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

the class SingleInputGateTest method testSingleInputGateWithSubpartitionIndexRange.

@Test
public void testSingleInputGateWithSubpartitionIndexRange() throws IOException, InterruptedException {
    IntermediateResultPartitionID[] partitionIds = new IntermediateResultPartitionID[] { new IntermediateResultPartitionID(), new IntermediateResultPartitionID(), new IntermediateResultPartitionID() };
    SubpartitionIndexRange subpartitionIndexRange = new SubpartitionIndexRange(0, 1);
    final NettyShuffleEnvironment netEnv = new NettyShuffleEnvironmentBuilder().build();
    ResourceID localLocation = ResourceID.generate();
    SingleInputGate gate = createSingleInputGate(partitionIds, ResultPartitionType.BLOCKING, subpartitionIndexRange, netEnv, localLocation, new TestingConnectionManager(), new TestingResultPartitionManager(new NoOpResultSubpartitionView()));
    for (InputChannel channel : gate.getInputChannels().values()) {
        if (channel instanceof ChannelStateHolder) {
            ((ChannelStateHolder) channel).setChannelStateWriter(ChannelStateWriter.NO_OP);
        }
    }
    SubpartitionInfo info1 = createSubpartitionInfo(partitionIds[0], 0);
    SubpartitionInfo info2 = createSubpartitionInfo(partitionIds[0], 1);
    SubpartitionInfo info3 = createSubpartitionInfo(partitionIds[1], 0);
    SubpartitionInfo info4 = createSubpartitionInfo(partitionIds[1], 1);
    SubpartitionInfo info5 = createSubpartitionInfo(partitionIds[2], 0);
    SubpartitionInfo info6 = createSubpartitionInfo(partitionIds[2], 1);
    assertThat(gate.getInputChannels().size(), is(6));
    assertThat(gate.getInputChannels().get(info1).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info2).getConsumedSubpartitionIndex(), is(1));
    assertThat(gate.getInputChannels().get(info3).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info4).getConsumedSubpartitionIndex(), is(1));
    assertThat(gate.getInputChannels().get(info5).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info6).getConsumedSubpartitionIndex(), is(1));
    assertChannelsType(gate, LocalRecoveredInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteRecoveredInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, UnknownInputChannel.class, Arrays.asList(info5, info6));
    // test setup
    gate.setup();
    assertNotNull(gate.getBufferPool());
    assertEquals(1, gate.getBufferPool().getNumberOfRequiredMemorySegments());
    gate.finishReadRecoveredState();
    while (!gate.getStateConsumedFuture().isDone()) {
        gate.pollNext();
    }
    // test request partitions
    gate.requestPartitions();
    gate.pollNext();
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, UnknownInputChannel.class, Arrays.asList(info5, info6));
    for (InputChannel inputChannel : gate.getInputChannels().values()) {
        if (inputChannel instanceof RemoteInputChannel) {
            assertNotNull(((RemoteInputChannel) inputChannel).getPartitionRequestClient());
            assertEquals(2, ((RemoteInputChannel) inputChannel).getInitialCredit());
        } else if (inputChannel instanceof LocalInputChannel) {
            assertNotNull(((LocalInputChannel) inputChannel).getSubpartitionView());
        }
    }
    // test update channels
    gate.updateInputChannel(localLocation, createRemoteWithIdAndLocation(partitionIds[2], localLocation));
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info5, info6));
}

Example 4 with NoOpResultSubpartitionView

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

the class UnionInputGateTest method testUpdateInputChannel.

@Test
public void testUpdateInputChannel() throws Exception {
    final SingleInputGate inputGate1 = createInputGate(1);
    TestInputChannel inputChannel1 = new TestInputChannel(inputGate1, 0);
    inputGate1.setInputChannels(inputChannel1);
    final SingleInputGate inputGate2 = createInputGate(1);
    TestingResultPartitionManager partitionManager = new TestingResultPartitionManager(new NoOpResultSubpartitionView());
    InputChannel unknownInputChannel2 = InputChannelBuilder.newBuilder().setPartitionManager(partitionManager).buildUnknownChannel(inputGate2);
    inputGate2.setInputChannels(unknownInputChannel2);
    UnionInputGate unionInputGate = new UnionInputGate(inputGate1, inputGate2);
    ResultPartitionID resultPartitionID = unknownInputChannel2.getPartitionId();
    ResourceID location = ResourceID.generate();
    inputGate2.updateInputChannel(location, createRemoteWithIdAndLocation(resultPartitionID.getPartitionId(), location));
    assertThat(unionInputGate.getChannel(0), Matchers.is(inputChannel1));
    // Check that updated input channel is visible via UnionInputGate
    assertThat(unionInputGate.getChannel(1), Matchers.is(inputGate2.getChannel(0)));
}

Example 5 with NoOpResultSubpartitionView

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

the class CreditBasedSequenceNumberingViewReaderTest method createNetworkSequenceViewReader.

private CreditBasedSequenceNumberingViewReader createNetworkSequenceViewReader(int initialCredit) throws Exception {
    PartitionRequestQueue queue = new PartitionRequestQueue();
    EmbeddedChannel channel = new EmbeddedChannel(queue);
    channel.close();
    CreditBasedSequenceNumberingViewReader reader = new CreditBasedSequenceNumberingViewReader(new InputChannelID(), initialCredit, queue);
    reader.requestSubpartitionView((ignored1, ignored2, ignored3) -> new NoOpResultSubpartitionView(), new ResultPartitionID(), 0);
    return reader;
}