Examples with PulsarClient com.yahoo.pulsar.client.api.PulsarClient used on opensource projects

Example 21 with PulsarClient

use of com.yahoo.pulsar.client.api.PulsarClient in project pulsar by yahoo.

the class ClientErrorsTest method testLookupWithDisconnection.

@Test
public void testLookupWithDisconnection() throws Exception {
    final String brokerUrl = "pulsar://127.0.0.1:" + BROKER_SERVICE_PORT;
    PulsarClient client = PulsarClient.create(brokerUrl);
    final AtomicInteger counter = new AtomicInteger(0);
    String topic = "persistent://prop/use/ns/t1";
    mockBrokerService.setHandlePartitionLookup((ctx, lookup) -> {
        ctx.writeAndFlush(Commands.newPartitionMetadataResponse(0, lookup.getRequestId()));
    });
    mockBrokerService.setHandleLookup((ctx, lookup) -> {
        if (counter.incrementAndGet() == 1) {
            // piggyback unknown error to relay assertion failure
            ctx.close();
            return;
        }
        ctx.writeAndFlush(Commands.newLookupResponse(brokerUrl, null, true, LookupType.Connect, lookup.getRequestId()));
    });
    try {
        ConsumerConfiguration conf = new ConsumerConfiguration();
        conf.setSubscriptionType(SubscriptionType.Exclusive);
        Consumer consumer = client.subscribe(topic, "sub1", conf);
    } catch (Exception e) {
        if (e.getMessage().equals(ASSERTION_ERROR)) {
            fail("Subscribe should not retry on persistence error");
        }
        assertTrue(e instanceof PulsarClientException.BrokerPersistenceException);
    }
    mockBrokerService.resetHandlePartitionLookup();
    mockBrokerService.resetHandleLookup();
    client.close();
}

Example 22 with PulsarClient

use of com.yahoo.pulsar.client.api.PulsarClient in project pulsar by yahoo.

the class PerformanceProducer method main.

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-producer");
    try {
        jc.parse(args);
    } catch (ParameterException e) {
        System.out.println(e.getMessage());
        jc.usage();
        System.exit(-1);
    }
    if (arguments.help) {
        jc.usage();
        System.exit(-1);
    }
    if (arguments.destinations.size() != 1) {
        System.out.println("Only one topic name is allowed");
        jc.usage();
        System.exit(-1);
    }
    if (arguments.confFile != null) {
        Properties prop = new Properties(System.getProperties());
        prop.load(new FileInputStream(arguments.confFile));
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("brokerServiceUrl");
        }
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("webServiceUrl");
        }
        // fallback to previous-version serviceUrl property to maintain backward-compatibility
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/");
        }
        if (arguments.authPluginClassName == null) {
            arguments.authPluginClassName = prop.getProperty("authPlugin", null);
        }
        if (arguments.authParams == null) {
            arguments.authParams = prop.getProperty("authParams", null);
        }
    }
    arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime);
    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar perf producer with config: {}", w.writeValueAsString(arguments));
    // Read payload data from file if needed
    byte[] payloadData;
    if (arguments.payloadFilename != null) {
        payloadData = Files.readAllBytes(Paths.get(arguments.payloadFilename));
    } else {
        payloadData = new byte[arguments.msgSize];
    }
    // Now processing command line arguments
    String prefixTopicName = arguments.destinations.get(0);
    List<Future<Producer>> futures = Lists.newArrayList();
    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer"));
    }
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setConnectionsPerBroker(arguments.maxConnections);
    clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS);
    if (isNotBlank(arguments.authPluginClassName)) {
        clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams);
    }
    PulsarClient client = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setSendTimeout(0, TimeUnit.SECONDS);
    producerConf.setCompressionType(arguments.compression);
    // enable round robin message routing if it is a partitioned topic
    producerConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition);
    if (arguments.batchTime > 0) {
        producerConf.setBatchingMaxPublishDelay(arguments.batchTime, TimeUnit.MILLISECONDS);
        producerConf.setBatchingEnabled(true);
        producerConf.setMaxPendingMessages(arguments.msgRate);
    }
    for (int i = 0; i < arguments.numTopics; i++) {
        String topic = (arguments.numTopics == 1) ? prefixTopicName : String.format("%s-%d", prefixTopicName, i);
        log.info("Adding {} publishers on destination {}", arguments.numProducers, topic);
        for (int j = 0; j < arguments.numProducers; j++) {
            futures.add(client.createProducerAsync(topic, producerConf));
        }
    }
    final List<Producer> producers = Lists.newArrayListWithCapacity(futures.size());
    for (Future<Producer> future : futures) {
        producers.add(future.get());
    }
    log.info("Created {} producers", producers.size());
    Runtime.getRuntime().addShutdownHook(new Thread() {

        public void run() {
            printAggregatedStats();
        }
    });
    Collections.shuffle(producers);
    AtomicBoolean isDone = new AtomicBoolean();
    executor.submit(() -> {
        try {
            RateLimiter rateLimiter = RateLimiter.create(arguments.msgRate);
            long startTime = System.currentTimeMillis();
            // Send messages on all topics/producers
            long totalSent = 0;
            while (true) {
                for (Producer producer : producers) {
                    if (arguments.testTime > 0) {
                        if (System.currentTimeMillis() - startTime > arguments.testTime) {
                            log.info("------------------- DONE -----------------------");
                            printAggregatedStats();
                            isDone.set(true);
                            Thread.sleep(5000);
                            System.exit(0);
                        }
                    }
                    if (arguments.numMessages > 0) {
                        if (totalSent++ >= arguments.numMessages) {
                            log.info("------------------- DONE -----------------------");
                            printAggregatedStats();
                            isDone.set(true);
                            Thread.sleep(5000);
                            System.exit(0);
                        }
                    }
                    rateLimiter.acquire();
                    final long sendTime = System.nanoTime();
                    producer.sendAsync(payloadData).thenRun(() -> {
                        messagesSent.increment();
                        bytesSent.add(payloadData.length);
                        long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime);
                        recorder.recordValue(latencyMicros);
                        cumulativeRecorder.recordValue(latencyMicros);
                    }).exceptionally(ex -> {
                        log.warn("Write error on message", ex);
                        System.exit(-1);
                        return null;
                    });
                }
            }
        } catch (Throwable t) {
            log.error("Got error", t);
        }
    });
    // Print report stats
    long oldTime = System.nanoTime();
    Histogram reportHistogram = null;
    String statsFileName = "perf-producer-" + System.currentTimeMillis() + ".hgrm";
    log.info("Dumping latency stats to {}", statsFileName);
    PrintStream histogramLog = new PrintStream(new FileOutputStream(statsFileName), false);
    HistogramLogWriter histogramLogWriter = new HistogramLogWriter(histogramLog);
    // Some log header bits
    histogramLogWriter.outputLogFormatVersion();
    histogramLogWriter.outputLegend();
    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }
        if (isDone.get()) {
            break;
        }
        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesSent.sumThenReset() / elapsed;
        double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8;
        reportHistogram = recorder.getIntervalHistogram(reportHistogram);
        log.info("Throughput produced: {}  msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}", throughputFormat.format(rate), throughputFormat.format(throughput), dec.format(reportHistogram.getMean() / 1000.0), dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0), dec.format(reportHistogram.getMaxValue() / 1000.0));
        histogramLogWriter.outputIntervalHistogram(reportHistogram);
        reportHistogram.reset();
        oldTime = now;
    }
    client.close();
}

Example 23 with PulsarClient

use of com.yahoo.pulsar.client.api.PulsarClient in project pulsar by yahoo.

the class AdminApiTest method testPersistentTopicExpireMessageOnParitionTopic.

/**
     * Verify: PersistentTopics.expireMessages()/expireMessagesForAllSubscriptions() for PartitionTopic
     *
     * @throws Exception
     */
@Test
public void testPersistentTopicExpireMessageOnParitionTopic() throws Exception {
    admin.persistentTopics().createPartitionedTopic("persistent://prop-xyz/use/ns1/ds1", 4);
    // create consumer and subscription
    URL pulsarUrl = new URL("http://127.0.0.1" + ":" + BROKER_WEBSERVICE_PORT);
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setStatsInterval(0, TimeUnit.SECONDS);
    PulsarClient client = PulsarClient.create(pulsarUrl.toString(), clientConf);
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setSubscriptionType(SubscriptionType.Exclusive);
    Consumer consumer = client.subscribe("persistent://prop-xyz/use/ns1/ds1", "my-sub", conf);
    ProducerConfiguration prodConf = new ProducerConfiguration();
    prodConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition);
    Producer producer = client.createProducer("persistent://prop-xyz/use/ns1/ds1", prodConf);
    for (int i = 0; i < 10; i++) {
        String message = "message-" + i;
        producer.send(message.getBytes());
    }
    PartitionedTopicStats topicStats = admin.persistentTopics().getPartitionedStats("persistent://prop-xyz/use/ns1/ds1", true);
    assertEquals(topicStats.subscriptions.get("my-sub").msgBacklog, 10);
    PersistentTopicStats partitionStatsPartition0 = topicStats.partitions.get("persistent://prop-xyz/use/ns1/ds1-partition-0");
    PersistentTopicStats partitionStatsPartition1 = topicStats.partitions.get("persistent://prop-xyz/use/ns1/ds1-partition-1");
    assertEquals(partitionStatsPartition0.subscriptions.get("my-sub").msgBacklog, 3, 1);
    assertEquals(partitionStatsPartition1.subscriptions.get("my-sub").msgBacklog, 3, 1);
    Thread.sleep(1000);
    admin.persistentTopics().expireMessagesForAllSubscriptions("persistent://prop-xyz/use/ns1/ds1", 1);
    Thread.sleep(1000);
    topicStats = admin.persistentTopics().getPartitionedStats("persistent://prop-xyz/use/ns1/ds1", true);
    partitionStatsPartition0 = topicStats.partitions.get("persistent://prop-xyz/use/ns1/ds1-partition-0");
    partitionStatsPartition1 = topicStats.partitions.get("persistent://prop-xyz/use/ns1/ds1-partition-1");
    assertEquals(partitionStatsPartition0.subscriptions.get("my-sub").msgBacklog, 0);
    assertEquals(partitionStatsPartition1.subscriptions.get("my-sub").msgBacklog, 0);
    producer.close();
    consumer.close();
    client.close();
}

Example 24 with PulsarClient

use of com.yahoo.pulsar.client.api.PulsarClient in project pulsar by yahoo.

the class AdminApiTest method persistentTopicsInvalidCursorReset.

@Test
public void persistentTopicsInvalidCursorReset() throws Exception {
    admin.namespaces().setRetention("prop-xyz/use/ns1", new RetentionPolicies(10, 10));
    assertEquals(admin.persistentTopics().getList("prop-xyz/use/ns1"), Lists.newArrayList());
    String topicName = "persistent://prop-xyz/use/ns1/invalidcursorreset";
    // Force to create a destination
    publishMessagesOnPersistentTopic(topicName, 0);
    assertEquals(admin.persistentTopics().getList("prop-xyz/use/ns1"), Lists.newArrayList(topicName));
    // create consumer and subscription
    URL pulsarUrl = new URL("http://127.0.0.1" + ":" + BROKER_WEBSERVICE_PORT);
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setStatsInterval(0, TimeUnit.SECONDS);
    PulsarClient client = PulsarClient.create(pulsarUrl.toString(), clientConf);
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setSubscriptionType(SubscriptionType.Exclusive);
    Consumer consumer = client.subscribe(topicName, "my-sub", conf);
    assertEquals(admin.persistentTopics().getSubscriptions(topicName), Lists.newArrayList("my-sub"));
    publishMessagesOnPersistentTopic(topicName, 10);
    List<Message> messages = admin.persistentTopics().peekMessages(topicName, "my-sub", 10);
    assertEquals(messages.size(), 10);
    for (int i = 0; i < 10; i++) {
        Message message = consumer.receive();
        consumer.acknowledge(message);
    }
    // use invalid timestamp
    try {
        admin.persistentTopics().resetCursor(topicName, "my-sub", System.currentTimeMillis() - 190000);
    } catch (Exception e) {
        // fail the test
        throw e;
    }
    admin.persistentTopics().resetCursor(topicName, "my-sub", System.currentTimeMillis() + 90000);
    consumer = client.subscribe(topicName, "my-sub", conf);
    consumer.close();
    client.close();
    admin.persistentTopics().deleteSubscription(topicName, "my-sub");
    assertEquals(admin.persistentTopics().getSubscriptions(topicName), Lists.newArrayList());
    admin.persistentTopics().delete(topicName);
}

Example 25 with PulsarClient

use of com.yahoo.pulsar.client.api.PulsarClient in project pulsar by yahoo.

the class AdminApiTest method partitionedTopics.

@Test(dataProvider = "topicName")
public void partitionedTopics(String topicName) throws Exception {
    final String partitionedTopicName = "persistent://prop-xyz/use/ns1/" + topicName;
    admin.persistentTopics().createPartitionedTopic(partitionedTopicName, 4);
    assertEquals(admin.persistentTopics().getPartitionedTopicMetadata(partitionedTopicName).partitions, 4);
    // check if the virtual topic doesn't get created
    List<String> destinations = admin.persistentTopics().getList("prop-xyz/use/ns1");
    assertEquals(destinations.size(), 0);
    assertEquals(admin.persistentTopics().getPartitionedTopicMetadata("persistent://prop-xyz/use/ns1/ds2").partitions, 0);
    // create consumer and subscription
    URL pulsarUrl = new URL("http://127.0.0.1" + ":" + BROKER_WEBSERVICE_PORT);
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setStatsInterval(0, TimeUnit.SECONDS);
    PulsarClient client = PulsarClient.create(pulsarUrl.toString(), clientConf);
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setSubscriptionType(SubscriptionType.Exclusive);
    Consumer consumer = client.subscribe(partitionedTopicName, "my-sub", conf);
    assertEquals(admin.persistentTopics().getSubscriptions(partitionedTopicName), Lists.newArrayList("my-sub"));
    Consumer consumer1 = client.subscribe(partitionedTopicName, "my-sub-1", conf);
    assertEquals(Sets.newHashSet(admin.persistentTopics().getSubscriptions(partitionedTopicName)), Sets.newHashSet("my-sub", "my-sub-1"));
    consumer1.close();
    admin.persistentTopics().deleteSubscription(partitionedTopicName, "my-sub-1");
    assertEquals(admin.persistentTopics().getSubscriptions(partitionedTopicName), Lists.newArrayList("my-sub"));
    ProducerConfiguration prodConf = new ProducerConfiguration();
    prodConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition);
    Producer producer = client.createProducer(partitionedTopicName, prodConf);
    for (int i = 0; i < 10; i++) {
        String message = "message-" + i;
        producer.send(message.getBytes());
    }
    assertEquals(Sets.newHashSet(admin.persistentTopics().getList("prop-xyz/use/ns1")), Sets.newHashSet(partitionedTopicName + "-partition-0", partitionedTopicName + "-partition-1", partitionedTopicName + "-partition-2", partitionedTopicName + "-partition-3"));
    // test cumulative stats for partitioned topic
    PartitionedTopicStats topicStats = admin.persistentTopics().getPartitionedStats(partitionedTopicName, false);
    assertEquals(topicStats.subscriptions.keySet(), Sets.newTreeSet(Lists.newArrayList("my-sub")));
    assertEquals(topicStats.subscriptions.get("my-sub").consumers.size(), 1);
    assertEquals(topicStats.subscriptions.get("my-sub").msgBacklog, 10);
    assertEquals(topicStats.publishers.size(), 1);
    assertEquals(topicStats.partitions, Maps.newHashMap());
    // test per partition stats for partitioned topic
    topicStats = admin.persistentTopics().getPartitionedStats(partitionedTopicName, true);
    assertEquals(topicStats.metadata.partitions, 4);
    assertEquals(topicStats.partitions.keySet(), Sets.newHashSet(partitionedTopicName + "-partition-0", partitionedTopicName + "-partition-1", partitionedTopicName + "-partition-2", partitionedTopicName + "-partition-3"));
    PersistentTopicStats partitionStats = topicStats.partitions.get(partitionedTopicName + "-partition-0");
    assertEquals(partitionStats.publishers.size(), 1);
    assertEquals(partitionStats.subscriptions.get("my-sub").consumers.size(), 1);
    assertEquals(partitionStats.subscriptions.get("my-sub").msgBacklog, 3, 1);
    try {
        admin.persistentTopics().skipMessages(partitionedTopicName, "my-sub", 5);
        fail("skip messages for partitioned topics should fail");
    } catch (Exception e) {
    // ok
    }
    admin.persistentTopics().skipAllMessages(partitionedTopicName, "my-sub");
    topicStats = admin.persistentTopics().getPartitionedStats(partitionedTopicName, false);
    assertEquals(topicStats.subscriptions.get("my-sub").msgBacklog, 0);
    producer.close();
    consumer.close();
    admin.persistentTopics().deleteSubscription(partitionedTopicName, "my-sub");
    assertEquals(admin.persistentTopics().getSubscriptions(partitionedTopicName), Lists.newArrayList());
    try {
        admin.persistentTopics().createPartitionedTopic(partitionedTopicName, 32);
        fail("Should have failed as the partitioned topic already exists");
    } catch (ConflictException ce) {
    }
    producer = client.createProducer(partitionedTopicName);
    destinations = admin.persistentTopics().getList("prop-xyz/use/ns1");
    assertEquals(destinations.size(), 4);
    try {
        admin.persistentTopics().deletePartitionedTopic(partitionedTopicName);
        fail("The topic is busy");
    } catch (PreconditionFailedException pfe) {
    // ok
    }
    producer.close();
    client.close();
    admin.persistentTopics().deletePartitionedTopic(partitionedTopicName);
    assertEquals(admin.persistentTopics().getPartitionedTopicMetadata(partitionedTopicName).partitions, 0);
    admin.persistentTopics().createPartitionedTopic(partitionedTopicName, 32);
    assertEquals(admin.persistentTopics().getPartitionedTopicMetadata(partitionedTopicName).partitions, 32);
    try {
        admin.persistentTopics().deletePartitionedTopic("persistent://prop-xyz/use/ns1/ds2");
        fail("Should have failed as the partitioned topic was not created");
    } catch (NotFoundException nfe) {
    }
    admin.persistentTopics().deletePartitionedTopic(partitionedTopicName);
    // delete a partitioned topic in a global namespace
    admin.persistentTopics().createPartitionedTopic(partitionedTopicName, 4);
    admin.persistentTopics().deletePartitionedTopic(partitionedTopicName);
}