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

Example 36 with ResultPartitionWriter

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

the class SourceStreamTaskTest method testTriggeringCheckpointAfterSourceThreadFinished.

@Test
public void testTriggeringCheckpointAfterSourceThreadFinished() throws Exception {
    ResultPartition[] partitionWriters = new ResultPartition[2];
    try (NettyShuffleEnvironment env = new NettyShuffleEnvironmentBuilder().setNumNetworkBuffers(partitionWriters.length * 2).build()) {
        for (int i = 0; i < partitionWriters.length; ++i) {
            partitionWriters[i] = PartitionTestUtils.createPartition(env, ResultPartitionType.PIPELINED_BOUNDED, 1);
            partitionWriters[i].setup();
        }
        final CompletableFuture<Long> checkpointCompleted = new CompletableFuture<>();
        try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(SourceStreamTask::new, BasicTypeInfo.STRING_TYPE_INFO).modifyStreamConfig(config -> config.setCheckpointingEnabled(true)).setCheckpointResponder(new TestCheckpointResponder() {

            @Override
            public void acknowledgeCheckpoint(JobID jobID, ExecutionAttemptID executionAttemptID, long checkpointId, CheckpointMetrics checkpointMetrics, TaskStateSnapshot subtaskState) {
                super.acknowledgeCheckpoint(jobID, executionAttemptID, checkpointId, checkpointMetrics, subtaskState);
                checkpointCompleted.complete(checkpointId);
            }
        }).addAdditionalOutput(partitionWriters).setupOperatorChain(new StreamSource<>(new MockSource(0, 0, 1))).finishForSingletonOperatorChain(StringSerializer.INSTANCE).build()) {
            testHarness.processAll();
            CompletableFuture<Void> taskFinished = testHarness.getStreamTask().getCompletionFuture();
            do {
                testHarness.processAll();
            } while (!taskFinished.isDone());
            Future<Boolean> checkpointFuture = triggerCheckpoint(testHarness, 2);
            // Notifies the result partition that all records are processed after the
            // last checkpoint is triggered.
            checkState(checkpointFuture instanceof CompletableFuture, "The trigger future should " + " be also CompletableFuture.");
            ((CompletableFuture<?>) checkpointFuture).thenAccept((ignored) -> {
                for (ResultPartition resultPartition : partitionWriters) {
                    resultPartition.onSubpartitionAllDataProcessed(0);
                }
            });
            checkpointCompleted.whenComplete((id, error) -> testHarness.getStreamTask().notifyCheckpointCompleteAsync(2));
            testHarness.finishProcessing();
            assertTrue(checkpointFuture.isDone());
            // EndOfUserRecordEvent.
            for (ResultPartition resultPartition : partitionWriters) {
                assertEquals(3, resultPartition.getNumberOfQueuedBuffers());
            }
        }
    } finally {
        for (ResultPartitionWriter writer : partitionWriters) {
            if (writer != null) {
                writer.close();
            }
        }
    }
}

Example 37 with ResultPartitionWriter

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

the class MultipleInputStreamTaskTest method testTriggeringCheckpointWithFinishedChannels.

private void testTriggeringCheckpointWithFinishedChannels(CheckpointOptions checkpointOptions) throws Exception {
    ResultPartition[] partitionWriters = new ResultPartition[2];
    try {
        for (int i = 0; i < partitionWriters.length; ++i) {
            partitionWriters[i] = PartitionTestUtils.createPartition(ResultPartitionType.PIPELINED_BOUNDED);
            partitionWriters[i].setup();
        }
        CompletingCheckpointResponder checkpointResponder = new CompletingCheckpointResponder();
        try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(MultipleInputStreamTask::new, BasicTypeInfo.STRING_TYPE_INFO).addInput(BasicTypeInfo.STRING_TYPE_INFO).addInput(BasicTypeInfo.INT_TYPE_INFO).addInput(BasicTypeInfo.DOUBLE_TYPE_INFO).addAdditionalOutput(partitionWriters).setCheckpointResponder(checkpointResponder).modifyStreamConfig(config -> {
            config.setCheckpointingEnabled(true);
            config.setUnalignedCheckpointsEnabled(checkpointOptions.isUnalignedCheckpoint() || checkpointOptions.isTimeoutable());
        }).setupOperatorChain(new MapToStringMultipleInputOperatorFactory(3)).finishForSingletonOperatorChain(StringSerializer.INSTANCE).build()) {
            checkpointResponder.setHandlers(testHarness.streamTask::notifyCheckpointCompleteAsync, testHarness.streamTask::notifyCheckpointAbortAsync);
            testHarness.getStreamTask().getCheckpointBarrierHandler().get();
            // Tests triggering checkpoint when all the inputs are alive.
            CompletableFuture<Boolean> checkpointFuture = triggerCheckpoint(testHarness, 2, checkpointOptions);
            processMailTillCheckpointSucceeds(testHarness, checkpointFuture);
            assertEquals(2, testHarness.getTaskStateManager().getReportedCheckpointId());
            // Tests triggering checkpoint after some inputs have received EndOfPartition.
            testHarness.processEvent(new EndOfData(StopMode.DRAIN), 0, 0);
            testHarness.processEvent(EndOfPartitionEvent.INSTANCE, 0, 0);
            checkpointFuture = triggerCheckpoint(testHarness, 4, checkpointOptions);
            processMailTillCheckpointSucceeds(testHarness, checkpointFuture);
            assertEquals(4, testHarness.getTaskStateManager().getReportedCheckpointId());
            // Tests triggering checkpoint after all the inputs have received EndOfPartition.
            testHarness.processEvent(new EndOfData(StopMode.DRAIN), 1, 0);
            testHarness.processEvent(new EndOfData(StopMode.DRAIN), 2, 0);
            testHarness.processEvent(EndOfPartitionEvent.INSTANCE, 1, 0);
            testHarness.processEvent(EndOfPartitionEvent.INSTANCE, 2, 0);
            checkpointFuture = triggerCheckpoint(testHarness, 6, checkpointOptions);
            // Notifies the result partition that all records are processed after the
            // last checkpoint is triggered.
            checkpointFuture.thenAccept((ignored) -> {
                for (ResultPartition resultPartition : partitionWriters) {
                    resultPartition.onSubpartitionAllDataProcessed(0);
                }
            });
            // The checkpoint 6 would be triggered successfully.
            testHarness.processAll();
            testHarness.finishProcessing();
            assertTrue(checkpointFuture.isDone());
            testHarness.getTaskStateManager().getWaitForReportLatch().await();
            assertEquals(6, testHarness.getTaskStateManager().getReportedCheckpointId());
            // Each result partition should have emitted 3 barriers and 1 EndOfUserRecordsEvent.
            for (ResultPartition resultPartition : partitionWriters) {
                assertEquals(4, resultPartition.getNumberOfQueuedBuffers());
            }
        }
    } finally {
        for (ResultPartitionWriter writer : partitionWriters) {
            if (writer != null) {
                writer.close();
            }
        }
    }
}