Examples with DefaultThreadFactory io.netty.util.concurrent.DefaultThreadFactory used on opensource projects

Example 1 with DefaultThreadFactory

use of io.netty.util.concurrent.DefaultThreadFactory 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 2 with DefaultThreadFactory

use of io.netty.util.concurrent.DefaultThreadFactory in project grpc-java by grpc.

the class Utils method newNettyClientChannel.

private static NettyChannelBuilder newNettyClientChannel(Transport transport, SocketAddress address, boolean tls, boolean testca, int flowControlWindow, boolean useDefaultCiphers) throws IOException {
    NettyChannelBuilder builder = NettyChannelBuilder.forAddress(address).flowControlWindow(flowControlWindow);
    if (tls) {
        builder.negotiationType(NegotiationType.TLS);
        SslContext sslContext = null;
        if (testca) {
            File cert = TestUtils.loadCert("ca.pem");
            SslContextBuilder sslContextBuilder = GrpcSslContexts.forClient().trustManager(cert);
            if (transport == Transport.NETTY_NIO) {
                sslContextBuilder = GrpcSslContexts.configure(sslContextBuilder, SslProvider.JDK);
            } else {
                // Native transport with OpenSSL
                sslContextBuilder = GrpcSslContexts.configure(sslContextBuilder, SslProvider.OPENSSL);
            }
            if (useDefaultCiphers) {
                sslContextBuilder.ciphers(null);
            }
            sslContext = sslContextBuilder.build();
        }
        builder.sslContext(sslContext);
    } else {
        builder.negotiationType(NegotiationType.PLAINTEXT);
    }
    DefaultThreadFactory tf = new DefaultThreadFactory("client-elg-", true);
    switch(transport) {
        case NETTY_NIO:
            builder.eventLoopGroup(new NioEventLoopGroup(0, tf)).channelType(NioSocketChannel.class);
            break;
        case NETTY_EPOLL:
            // These classes only work on Linux.
            builder.eventLoopGroup(new EpollEventLoopGroup(0, tf)).channelType(EpollSocketChannel.class);
            break;
        case NETTY_UNIX_DOMAIN_SOCKET:
            // These classes only work on Linux.
            builder.eventLoopGroup(new EpollEventLoopGroup(0, tf)).channelType(EpollDomainSocketChannel.class);
            break;
        default:
            // Should never get here.
            throw new IllegalArgumentException("Unsupported transport: " + transport);
    }
    return builder;
}

Example 3 with DefaultThreadFactory

use of io.netty.util.concurrent.DefaultThreadFactory in project pulsar by yahoo.

the class MessagingServiceShutdownHook method run.

@Override
public void run() {
    if (service.getConfiguration() != null) {
        LOG.info("messaging service shutdown hook started, lookup port=" + service.getConfiguration().getWebServicePort() + ", broker url=" + service.getBrokerServiceUrl());
    }
    ExecutorService executor = Executors.newSingleThreadExecutor(new DefaultThreadFactory("shutdown-thread"));
    try {
        CompletableFuture<Void> future = new CompletableFuture<>();
        executor.execute(() -> {
            try {
                service.close();
                future.complete(null);
            } catch (PulsarServerException e) {
                future.completeExceptionally(e);
            }
        });
        future.get(service.getConfiguration().getBrokerShutdownTimeoutMs(), TimeUnit.MILLISECONDS);
        LOG.info("Completed graceful shutdown. Exiting");
    } catch (TimeoutException e) {
        LOG.warn("Graceful shutdown timeout expired. Closing now");
    } catch (Exception e) {
        LOG.error("Failed to perform graceful shutdown, Exiting anyway", e);
    } finally {
        immediateFlushBufferedLogs();
        // always put system to halt immediately
        Runtime.getRuntime().halt(0);
    }
}

Example 4 with DefaultThreadFactory

use of io.netty.util.concurrent.DefaultThreadFactory in project pulsar by yahoo.

the class PulsarClientImpl method getEventLoopGroup.

private static EventLoopGroup getEventLoopGroup(ClientConfiguration conf) {
    int numThreads = conf.getIoThreads();
    ThreadFactory threadFactory = new DefaultThreadFactory("pulsar-client-io");
    if (SystemUtils.IS_OS_LINUX) {
        try {
            return new EpollEventLoopGroup(numThreads, threadFactory);
        } catch (ExceptionInInitializerError | NoClassDefFoundError | UnsatisfiedLinkError e) {
            if (log.isDebugEnabled()) {
                log.debug("Unable to load EpollEventLoop", e);
            }
            return new NioEventLoopGroup(numThreads, threadFactory);
        }
    } else {
        return new NioEventLoopGroup(numThreads, threadFactory);
    }
}

Example 5 with DefaultThreadFactory

use of io.netty.util.concurrent.DefaultThreadFactory in project async-http-client by AsyncHttpClient.

the class DefaultAsyncHttpClient method newNettyTimer.

private Timer newNettyTimer(AsyncHttpClientConfig config) {
    ThreadFactory threadFactory = new DefaultThreadFactory(config.getThreadPoolName() + "-timer");
    HashedWheelTimer timer = new HashedWheelTimer(threadFactory);
    timer.start();
    return timer;
}