Examples with STRING_TYPE_INFO org.apache.flink.api.common.typeinfo.BasicTypeInfo.STRING_TYPE_INFO used on opensource projects

Example 1 with STRING_TYPE_INFO

use of org.apache.flink.api.common.typeinfo.BasicTypeInfo.STRING_TYPE_INFO in project flink by apache.

the class StreamTaskFinalCheckpointsTest method doTestTriggerStopWithSavepointWhenWaitingForFinalCheckpointOnSourceTask.

private void doTestTriggerStopWithSavepointWhenWaitingForFinalCheckpointOnSourceTask(boolean drain) throws Exception {
    int finalCheckpointId = 6;
    int syncSavepointId = 7;
    CompletingCheckpointResponder checkpointResponder = new CompletingCheckpointResponder() {

        @Override
        public void acknowledgeCheckpoint(JobID jobID, ExecutionAttemptID executionAttemptID, long checkpointId, CheckpointMetrics checkpointMetrics, TaskStateSnapshot subtaskState) {
            if (syncSavepointId == checkpointId) {
                // complete the final checkpoint when sync savepoint acknowledged
                // we should wait for the sync savepoint to complete
                super.acknowledgeCheckpoint(jobID, executionAttemptID, finalCheckpointId, checkpointMetrics, subtaskState);
                try {
                    // Give some potential time for the task to finish before the
                    // savepoint is notified complete
                    Thread.sleep(CONCURRENT_EVENT_WAIT_PERIOD_MS);
                } catch (InterruptedException e) {
                    throw new FlinkRuntimeException(e);
                }
                super.acknowledgeCheckpoint(jobID, executionAttemptID, syncSavepointId, checkpointMetrics, subtaskState);
            }
        }
    };
    try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(SourceStreamTask::new, STRING_TYPE_INFO).modifyStreamConfig(config -> {
        config.setCheckpointingEnabled(true);
    }).setCheckpointResponder(checkpointResponder).setupOutputForSingletonOperatorChain(new StreamSource<>(new ImmediatelyFinishingSource())).build()) {
        checkpointResponder.setHandlers(testHarness.streamTask::notifyCheckpointCompleteAsync, testHarness.streamTask::notifyCheckpointAbortAsync);
        // Tests triggering checkpoint after received all the inputs have received
        // EndOfPartition.
        // start task thread
        testHarness.streamTask.runMailboxLoop();
        // trigger the final checkpoint
        CompletableFuture<Boolean> checkpointFuture = triggerCheckpoint(testHarness, finalCheckpointId);
        // trigger the synchronous savepoint
        CompletableFuture<Boolean> savepointFuture = drain ? triggerStopWithSavepointDrain(testHarness, syncSavepointId) : triggerStopWithSavepointNoDrain(testHarness, syncSavepointId);
        // The checkpoint 6 would be triggered successfully.
        testHarness.finishProcessing();
        assertTrue(checkpointFuture.isDone());
        assertTrue(savepointFuture.isDone());
        testHarness.getTaskStateManager().getWaitForReportLatch().await();
        assertEquals(syncSavepointId, testHarness.getTaskStateManager().getReportedCheckpointId());
        assertEquals(syncSavepointId, testHarness.getTaskStateManager().getNotifiedCompletedCheckpointId());
    }
}

Example 2 with STRING_TYPE_INFO

use of org.apache.flink.api.common.typeinfo.BasicTypeInfo.STRING_TYPE_INFO in project flink by apache.

the class StreamTaskFinalCheckpointsTest method testNotWaitingForAllRecordsProcessedIfCheckpointNotEnabled.

@Test
public void testNotWaitingForAllRecordsProcessedIfCheckpointNotEnabled() throws Exception {
    ResultPartitionWriter[] partitionWriters = new ResultPartitionWriter[2];
    try {
        for (int i = 0; i < partitionWriters.length; ++i) {
            partitionWriters[i] = PartitionTestUtils.createPartition(ResultPartitionType.PIPELINED_BOUNDED);
            partitionWriters[i].setup();
        }
        try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(OneInputStreamTask::new, STRING_TYPE_INFO).modifyStreamConfig(config -> config.setCheckpointingEnabled(false)).addInput(STRING_TYPE_INFO).addAdditionalOutput(partitionWriters).setupOperatorChain(new EmptyOperator()).finishForSingletonOperatorChain(StringSerializer.INSTANCE).build()) {
            testHarness.endInput();
            // In this case the result partition should not emit EndOfUserRecordsEvent.
            for (ResultPartitionWriter writer : partitionWriters) {
                assertEquals(0, ((PipelinedResultPartition) writer).getNumberOfQueuedBuffers());
            }
        }
    } finally {
        for (ResultPartitionWriter writer : partitionWriters) {
            if (writer != null) {
                writer.close();
            }
        }
    }
}

Example 3 with STRING_TYPE_INFO

use of org.apache.flink.api.common.typeinfo.BasicTypeInfo.STRING_TYPE_INFO in project flink by apache.

the class StreamTaskTest method testBufferSizeRecalculationStartSuccessfully.

@Test
public void testBufferSizeRecalculationStartSuccessfully() throws Exception {
    int expectedThroughput = 13333;
    int inputChannels = 3;
    // debloat period doesn't matter, we will schedule debloating manually
    Configuration config = new Configuration().set(BUFFER_DEBLOAT_PERIOD, Duration.ofHours(10)).set(BUFFER_DEBLOAT_TARGET, Duration.ofSeconds(1)).set(BUFFER_DEBLOAT_THRESHOLD_PERCENTAGES, 1).set(BUFFER_DEBLOAT_ENABLED, true);
    try (StreamTaskMailboxTestHarness<String> harness = new StreamTaskMailboxTestHarnessBuilder<>(OneInputStreamTask::new, STRING_TYPE_INFO).setTaskManagerRuntimeInfo(new TestingTaskManagerRuntimeInfo(config)).addInput(STRING_TYPE_INFO, inputChannels).addInput(STRING_TYPE_INFO, inputChannels).modifyGateBuilder(gateBuilder -> gateBuilder.setThroughputCalculator(bufferDebloatConfiguration -> new ThroughputCalculator(SystemClock.getInstance()) {

        @Override
        public long calculateThroughput() {
            return expectedThroughput;
        }
    })).setupOutputForSingletonOperatorChain(new TestBoundedOneInputStreamOperator()).build()) {
        harness.processAll();
        harness.streamTask.debloat();
        long lastBufferSize = -1;
        for (InputGate inputGate : harness.streamTask.getEnvironment().getAllInputGates()) {
            for (int i = 0; i < inputGate.getNumberOfInputChannels(); i++) {
                long currentBufferSize = ((TestInputChannel) inputGate.getChannel(i)).getCurrentBufferSize();
                assertThat(currentBufferSize, lessThan(MEMORY_SEGMENT_SIZE.defaultValue().getBytes()));
                assertThat(currentBufferSize, greaterThan(0L));
                if (lastBufferSize > 0) {
                    assertThat(lastBufferSize, is(currentBufferSize));
                }
                lastBufferSize = currentBufferSize;
            }
        }
    }
}

Example 4 with STRING_TYPE_INFO

use of org.apache.flink.api.common.typeinfo.BasicTypeInfo.STRING_TYPE_INFO in project flink by apache.

the class StreamTaskTest method testBufferDebloatingMultiGates.

@Test
public void testBufferDebloatingMultiGates() throws Exception {
    // debloat period doesn't matter, we will schedule debloating manually
    Configuration config = new Configuration().set(BUFFER_DEBLOAT_PERIOD, Duration.ofHours(10)).set(BUFFER_DEBLOAT_TARGET, Duration.ofSeconds(1)).set(BUFFER_DEBLOAT_ENABLED, true).set(BUFFER_DEBLOAT_THRESHOLD_PERCENTAGES, // disable the threshold to achieve exact buffer sizes
    0);
    final long throughputGate1 = 1024L;
    final long throughputGate2 = 60 * 1024L;
    final int inputChannelsGate1 = 1;
    final int inputChannelsGate2 = 4;
    final ThroughputCalculator throughputCalculator = new ThroughputCalculator(SystemClock.getInstance()) {

        /* parameters are ignored */
        private int callCount = 0;

        @Override
        public long calculateThroughput() {
            if (callCount++ % 2 == 0) {
                return throughputGate1;
            } else {
                return throughputGate2;
            }
        }
    };
    try (StreamTaskMailboxTestHarness<String> harness = new StreamTaskMailboxTestHarnessBuilder<>(OneInputStreamTask::new, STRING_TYPE_INFO).setTaskManagerRuntimeInfo(new TestingTaskManagerRuntimeInfo(config)).addInput(STRING_TYPE_INFO, inputChannelsGate1).addInput(STRING_TYPE_INFO, inputChannelsGate2).modifyGateBuilder(gateBuilder -> gateBuilder.setThroughputCalculator(bufferDebloatConfiguration -> throughputCalculator)).setupOutputForSingletonOperatorChain(new TestBoundedOneInputStreamOperator()).build()) {
        final IndexedInputGate[] inputGates = harness.streamTask.getEnvironment().getAllInputGates();
        harness.processAll();
        // call debloating until the EMA reaches the target buffer size
        while (getCurrentBufferSize(inputGates[0]) == 0 || getCurrentBufferSize(inputGates[0]) > throughputGate1) {
            harness.streamTask.debloat();
        }
        assertThat(getCurrentBufferSize(inputGates[0]), equalTo((int) throughputGate1));
        assertThat(getCurrentBufferSize(inputGates[1]), equalTo((int) throughputGate2 / inputChannelsGate2));
    }
}