Example usage for java.lang Runtime getRuntime

List of usage examples for java.lang Runtime getRuntime

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. Runtime
  6. getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime()

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:co.paralleluniverse.photon.Photon.java

public static void main(final String[] args) throws InterruptedException, IOException {

    final Options options = new Options();
    options.addOption("rate", true, "Requests per second (default " + rateDefault + ")");
    options.addOption("duration", true,
            "Minimum test duration in seconds: will wait for <duration> * <rate> requests to terminate or, if progress check enabled, no progress after <duration> (default "
                    + durationDefault + ")");
    options.addOption("maxconnections", true,
            "Maximum number of open connections (default " + maxConnectionsDefault + ")");
    options.addOption("timeout", true,
            "Connection and read timeout in millis (default " + timeoutDefault + ")");
    options.addOption("print", true,
            "Print cycle in millis, 0 to disable intermediate statistics (default " + printCycleDefault + ")");
    options.addOption("check", true,
            "Progress check cycle in millis, 0 to disable progress check (default " + checkCycleDefault + ")");
    options.addOption("stats", false, "Print full statistics when finish (default false)");
    options.addOption("minmax", false, "Print min/mean/stddev/max stats when finish (default false)");
    options.addOption("name", true, "Test name to print in the statistics (default '" + testNameDefault + "')");
    options.addOption("help", false, "Print help");

    try {/* w  w w  . jav a2s .  c  o  m*/
        final CommandLine cmd = new BasicParser().parse(options, args);
        final String[] ar = cmd.getArgs();
        if (cmd.hasOption("help") || ar.length != 1)
            printUsageAndExit(options);

        final String url = ar[0];

        final int timeout = Integer.parseInt(cmd.getOptionValue("timeout", timeoutDefault));
        final int maxConnections = Integer
                .parseInt(cmd.getOptionValue("maxconnections", maxConnectionsDefault));
        final int duration = Integer.parseInt(cmd.getOptionValue("duration", durationDefault));
        final int printCycle = Integer.parseInt(cmd.getOptionValue("print", printCycleDefault));
        final int checkCycle = Integer.parseInt(cmd.getOptionValue("check", checkCycleDefault));
        final String testName = cmd.getOptionValue("name", testNameDefault);
        final int rate = Integer.parseInt(cmd.getOptionValue("rate", rateDefault));

        final MetricRegistry metrics = new MetricRegistry();
        final Meter requestMeter = metrics.meter("request");
        final Meter responseMeter = metrics.meter("response");
        final Meter errorsMeter = metrics.meter("errors");
        final Logger log = LoggerFactory.getLogger(Photon.class);
        final ConcurrentHashMap<String, AtomicInteger> errors = new ConcurrentHashMap<>();
        final HttpGet request = new HttpGet(url);
        final StripedTimeSeries<Long> sts = new StripedTimeSeries<>(30000, false);
        final StripedHistogram sh = new StripedHistogram(60000, 5);

        log.info("name: " + testName + " url:" + url + " rate:" + rate + " duration:" + duration
                + " maxconnections:" + maxConnections + ", " + "timeout:" + timeout);
        final DefaultConnectingIOReactor ioreactor = new DefaultConnectingIOReactor(IOReactorConfig.custom()
                .setConnectTimeout(timeout).setIoThreadCount(10).setSoTimeout(timeout).build());

        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            final List<ExceptionEvent> events = ioreactor.getAuditLog();
            if (events != null)
                events.stream().filter(event -> event != null).forEach(event -> {
                    System.err.println(
                            "Apache Async HTTP Client I/O Reactor Error Time: " + event.getTimestamp());
                    //noinspection ThrowableResultOfMethodCallIgnored
                    if (event.getCause() != null)
                        //noinspection ThrowableResultOfMethodCallIgnored
                        event.getCause().printStackTrace();
                });
            if (cmd.hasOption("stats"))
                printFinishStatistics(errorsMeter, sts, sh, testName);
            if (!errors.keySet().isEmpty())
                errors.entrySet().stream()
                        .forEach(p -> log.info(testName + " " + p.getKey() + " " + p.getValue() + "ms"));
            System.out.println(
                    testName + " responseTime(90%): " + sh.getHistogramData().getValueAtPercentile(90) + "ms");
            if (cmd.hasOption("minmax")) {
                final HistogramData hd = sh.getHistogramData();
                System.out.format("%s %8s%8s%8s%8s\n", testName, "min", "mean", "sd", "max");
                System.out.format("%s %8d%8.2f%8.2f%8d\n", testName, hd.getMinValue(), hd.getMean(),
                        hd.getStdDeviation(), hd.getMaxValue());
            }
        }));

        final PoolingNHttpClientConnectionManager mngr = new PoolingNHttpClientConnectionManager(ioreactor);
        mngr.setDefaultMaxPerRoute(maxConnections);
        mngr.setMaxTotal(maxConnections);
        final CloseableHttpAsyncClient ahc = HttpAsyncClientBuilder.create().setConnectionManager(mngr)
                .setDefaultRequestConfig(RequestConfig.custom().setLocalAddress(null).build()).build();
        try (final CloseableHttpClient client = new FiberHttpClient(ahc)) {
            final int num = duration * rate;

            final CountDownLatch cdl = new CountDownLatch(num);
            final Semaphore sem = new Semaphore(maxConnections);
            final RateLimiter rl = RateLimiter.create(rate);

            spawnStatisticsThread(printCycle, cdl, log, requestMeter, responseMeter, errorsMeter, testName);

            for (int i = 0; i < num; i++) {
                rl.acquire();
                if (sem.availablePermits() == 0)
                    log.debug("Maximum connections count reached, waiting...");
                sem.acquireUninterruptibly();

                new Fiber<Void>(() -> {
                    requestMeter.mark();
                    final long start = System.nanoTime();
                    try {
                        try (final CloseableHttpResponse ignored = client.execute(request)) {
                            responseMeter.mark();
                        } catch (final Throwable t) {
                            markError(errorsMeter, errors, t);
                        }
                    } catch (final Throwable t) {
                        markError(errorsMeter, errors, t);
                    } finally {
                        final long now = System.nanoTime();
                        final long millis = TimeUnit.NANOSECONDS.toMillis(now - start);
                        sts.record(start, millis);
                        sh.recordValue(millis);
                        sem.release();
                        cdl.countDown();
                    }
                }).start();
            }
            spawnProgressCheckThread(log, duration, checkCycle, cdl);
            cdl.await();
        }
    } catch (final ParseException ex) {
        System.err.println("Parsing failed.  Reason: " + ex.getMessage());
    }
}

From source file:di.uniba.it.tee2.wiki.Wikidump2IndexMT.java

/**
 * language xml_dump output_dir n_thread encoding
 *
 * @param args the command line arguments
 *//*from  ww w .  ja  v a 2 s.c om*/
public static void main(String[] args) {
    try {
        CommandLine cmd = cmdParser.parse(options, args);
        if (cmd.hasOption("l") && cmd.hasOption("d") && cmd.hasOption("o")) {
            encoding = cmd.getOptionValue("e", "UTF-8");
            minTextLegth = Integer.parseInt(cmd.getOptionValue("m", "4000"));
            /*if (cmd.hasOption("p")) {
             pageLimit = Integer.parseInt(cmd.getOptionValue("p"));
             }*/
            int nt = Integer.parseInt(cmd.getOptionValue("n", "2"));
            Wikidump2IndexMT builder = new Wikidump2IndexMT();
            builder.init(cmd.getOptionValue("l"), cmd.getOptionValue("o"), nt);
            //attach a shutdown hook
            Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {

                @Override
                public void run() {
                    try {
                        Wikidump2IndexMT.tee.close();
                    } catch (Exception ex) {
                        Logger.getLogger(Wikidump2IndexMT.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            }));
            builder.build(cmd.getOptionValue("d"), cmd.getOptionValue("l"));
        } else {
            HelpFormatter helpFormatter = new HelpFormatter();
            helpFormatter.printHelp("Index Wikipedia dump (multi threads)", options, true);
        }
    } catch (Exception ex) {
        Logger.getLogger(Wikidump2IndexMT.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:io.pcp.parfait.benchmark.StandardMetricThroughPutBenchmark.java

public static void main(String[] args) throws InterruptedException, UnknownHostException {
    int numThreads = args.length < 1 ? Runtime.getRuntime().availableProcessors() : Integer.valueOf(args[0]);
    int numCounters = 1000;
    int iterations = 10000;

    ReportHelper.environmentReportHeader();
    ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
    System.out.printf("Thread Contention Supported: %s, Enabled by default: %s\n",
            threadMXBean.isThreadContentionMonitoringSupported(),
            threadMXBean.isThreadContentionMonitoringEnabled());
    System.out.printf("numThreads: %d, numCounters=%d, iterations=%d\n", numThreads, numCounters, iterations);

    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, false, false).runBenchmark();
    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, true, false).runBenchmark();
    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, true, true).runBenchmark();

    // now do it all again reverse, in case there's any JVM warmup issues unfairly treating the first/last runs
    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, true, true).runBenchmark();
    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, true, false).runBenchmark();
    new StandardMetricThroughPutBenchmark(numThreads, numCounters, iterations, false, false).runBenchmark();
}

From source file:com.yahoo.pulsar.testclient.PerformanceReader.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-reader");

    try {/*ww w .j  a v  a  2s  .c  o  m*/
        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.topic.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);
        }
    }

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance reader with config: {}", w.writeValueAsString(arguments));

    final DestinationName prefixTopicName = DestinationName.get(arguments.topic.get(0));

    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;

    ReaderListener listener = (reader, msg) -> {
        messagesReceived.increment();
        bytesReceived.add(msg.getData().length);

        if (limiter != null) {
            limiter.acquire();
        }
    };

    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2,
                new DefaultThreadFactory("pulsar-perf-reader"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(),
                new DefaultThreadFactory("pulsar-perf-reader"));
    }

    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 pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);

    List<CompletableFuture<Reader>> futures = Lists.newArrayList();
    ReaderConfiguration readerConfig = new ReaderConfiguration();
    readerConfig.setReaderListener(listener);
    readerConfig.setReceiverQueueSize(arguments.receiverQueueSize);

    MessageId startMessageId;
    if ("earliest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.earliest;
    } else if ("latest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.latest;
    } else {
        String[] parts = arguments.startMessageId.split(":");
        startMessageId = new MessageIdImpl(Long.parseLong(parts[0]), Long.parseLong(parts[1]), -1);
    }

    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixTopicName
                : DestinationName.get(String.format("%s-%d", prefixTopicName, i));

        futures.add(pulsarClient.createReaderAsync(destinationName.toString(), startMessageId, readerConfig));
    }

    FutureUtil.waitForAll(futures).get();

    log.info("Start reading from {} topics", arguments.numDestinations);

    long oldTime = System.nanoTime();

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;

        log.info("Read throughput: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }

    pulsarClient.close();
}

From source file:net.orzo.App.java

/**
 *
 *//*from  ww  w  .  java 2 s .c  om*/
public static void main(final String[] args) {
    final App app = new App();
    Logger log = null;
    CommandLine cmd;

    try {
        cmd = app.init(args);

        if (cmd.hasOption("h")) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp(
                    "orzo [options] user_script [user_arg1 [user_arg2 [...]]]\n(to generate a template: orzo -t [file path])",
                    app.cliOptions);

        } else if (cmd.hasOption("v")) {
            System.out.printf("Orzo.js version %s\n", app.props.get("orzo.version"));

        } else if (cmd.hasOption("t")) {
            String templateSrc = new ResourceLoader().getResourceAsString("net/orzo/template1.js");

            File tplFile = new File(cmd.getOptionValue("t"));
            FileWriter tplWriter = new FileWriter(tplFile);
            tplWriter.write(templateSrc);
            tplWriter.close();

            File dtsFile = new File(
                    String.format("%s/orzojs.d.ts", new File(tplFile.getAbsolutePath()).getParent()));
            FileWriter dtsWriter = new FileWriter(dtsFile);
            String dtsSrc = new ResourceLoader().getResourceAsString("net/orzo/orzojs.d.ts");
            dtsWriter.write(dtsSrc);
            dtsWriter.close();

        } else if (cmd.hasOption("T")) {
            String templateSrc = new ResourceLoader().getResourceAsString("net/orzo/template1.js");
            System.out.println(templateSrc);

        } else {

            // Logger initialization
            if (cmd.hasOption("g")) {
                System.setProperty("logback.configurationFile", cmd.getOptionValue("g"));

            } else {
                System.setProperty("logback.configurationFile", "./logback.xml");
            }
            log = LoggerFactory.getLogger(App.class);
            if (cmd.hasOption("s")) { // Orzo.js as a REST and AMQP service
                FullServiceConfig conf = new Gson().fromJson(new FileReader(cmd.getOptionValue("s")),
                        FullServiceConfig.class);
                Injector injector = Guice.createInjector(new CoreModule(conf), new RestServletModule());
                HttpServer httpServer = new HttpServer(conf, new JerseyGuiceServletConfig(injector));
                app.services.add(httpServer);

                if (conf.getAmqpResponseConfig() != null) {
                    // response AMQP service must be initialized before receiving one
                    app.services.add(injector.getInstance(AmqpResponseConnection.class));
                }

                if (conf.getAmqpConfig() != null) {
                    app.services.add(injector.getInstance(AmqpConnection.class));
                    app.services.add(injector.getInstance(AmqpService.class));
                }

                if (conf.getRedisConf() != null) {
                    app.services.add(injector.getInstance(RedisStorage.class));
                }

                Runtime.getRuntime().addShutdownHook(new ShutdownHook(app));
                app.startServices();

            } else if (cmd.hasOption("d")) { // Demo mode
                final String scriptId = "demo";
                final SourceCode demoScript = SourceCode.fromResource(DEMO_SCRIPT);
                System.err.printf("Running demo script %s.", demoScript.getName());
                CmdConfig conf = new CmdConfig(scriptId, demoScript, null, cmd.getOptionValue("p", null));
                TaskManager tm = new TaskManager(conf);
                tm.startTaskSync(tm.registerTask(scriptId, new String[0]));

            } else if (cmd.getArgs().length > 0) { // Command line mode
                File userScriptFile = new File(cmd.getArgs()[0]);
                String optionalModulesPath = null;
                String[] inputValues;
                SourceCode userScript;

                // custom CommonJS modules path
                if (cmd.hasOption("m")) {
                    optionalModulesPath = cmd.getOptionValue("m");
                }

                if (cmd.getArgs().length > 0) {
                    inputValues = Arrays.copyOfRange(cmd.getArgs(), 1, cmd.getArgs().length);
                } else {
                    inputValues = new String[0];
                }

                userScript = SourceCode.fromFile(userScriptFile);
                CmdConfig conf = new CmdConfig(userScript.getName(), userScript, optionalModulesPath,
                        cmd.getOptionValue("p", null));
                TaskManager tm = new TaskManager(conf);
                String taskId = tm.registerTask(userScript.getName(), inputValues);
                tm.startTaskSync(taskId);
                if (tm.getTask(taskId).getStatus() == TaskStatus.ERROR) {
                    tm.getTask(taskId).getFirstError().getErrors().stream().forEach(System.err::println);
                }

            } else {
                System.err.println("Invalid parameters. Try -h for more information.");
                System.exit(1);
            }
        }

    } catch (Exception ex) {
        System.err.printf("Orzo.js crashed with error: %s\nSee the log for details.\n", ex.getMessage());
        if (log != null) {
            log.error(ex.getMessage(), ex);

        } else {
            ex.printStackTrace();
        }
    }
}

From source file:com.github.brandtg.switchboard.MysqlReplicator.java

/** Main. */
public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption("u", "user", true, "MySQL user");
    options.addOption("p", "password", true, "MySQL password");
    options.addOption("h", "host", true, "MySQL host");
    options.addOption("P", "port", true, "MySQL port");
    options.addOption("s", "sinkPort", true, "Local sink port");
    options.addOption("l", "lastIndex", true, "Last transaction ID");
    options.addOption("h", "help", false, "Prints help message");
    CommandLine commandLine = new GnuParser().parse(options, args);

    if (commandLine.getArgs().length < 2 || commandLine.hasOption("help")) {
        HelpFormatter helpFormatter = new HelpFormatter();
        helpFormatter.printHelp("usage: [opts] switchboardHost:port db1 [db2 ...]", options);
        System.exit(1);//from  w  w  w.j  a  va  2 s  . co  m
    }

    // Switchboard host
    String[] hostPort = commandLine.getArgs()[0].split(":");
    InetSocketAddress source = new InetSocketAddress(hostPort[0], Integer.valueOf(hostPort[1]));
    InetSocketAddress sink = new InetSocketAddress(
            Integer.valueOf(commandLine.getOptionValue("sinkPort", "9090")));

    // Databases to replicate
    String[] databases = Arrays.copyOfRange(commandLine.getArgs(), 1, commandLine.getArgs().length);

    // JDBC params for local copy
    String user = commandLine.getOptionValue("user", "root");
    String password = commandLine.getOptionValue("password", "");
    String jdbcString = String.format("jdbc:mysql://%s:%d", commandLine.getOptionValue("host", "localhost"),
            Integer.valueOf(commandLine.getOptionValue("port", "3306")));
    Long lastIndex = Long.valueOf(commandLine.getOptionValue("lastIndex", "-1"));

    // Create replicators
    final List<MysqlReplicator> replicators = new ArrayList<>();
    for (String database : databases) {
        MysqlReplicator replicator = new MysqlReplicator(database, source, sink, jdbcString, user, password,
                lastIndex);
        replicators.add(replicator);
    }

    // Shutdown hook
    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            for (MysqlReplicator replicator : replicators) {
                try {
                    replicator.shutdown();
                } catch (Exception e) {
                    LOG.error("Could not shut down {}", replicator, e);
                }
            }
        }
    });

    for (MysqlReplicator replicator : replicators) {
        replicator.start();
        LOG.info("Started {}", replicator);
    }
}

From source file:edu.msu.cme.rdp.kmer.KmerFilter.java

public static void main(String[] args) throws Exception {
    final KmerTrie kmerTrie;
    final SeqReader queryReader;
    final SequenceType querySeqType;
    final File queryFile;
    final KmerStartsWriter out;
    final boolean translQuery;
    final int wordSize;
    final int translTable;
    final boolean alignedSeqs;
    final List<String> refLabels = new ArrayList();
    final int maxThreads;

    try {/* w ww  . ja v  a  2 s .  c om*/
        CommandLine cmdLine = new PosixParser().parse(options, args);
        args = cmdLine.getArgs();

        if (args.length < 3) {
            throw new Exception("Unexpected number of arguments");
        }

        if (cmdLine.hasOption("out")) {
            out = new KmerStartsWriter(cmdLine.getOptionValue("out"));
        } else {
            out = new KmerStartsWriter(System.out);
        }

        if (cmdLine.hasOption("aligned")) {
            alignedSeqs = true;
        } else {
            alignedSeqs = false;
        }

        if (cmdLine.hasOption("transl-table")) {
            translTable = Integer.valueOf(cmdLine.getOptionValue("transl-table"));
        } else {
            translTable = 11;
        }

        if (cmdLine.hasOption("threads")) {
            maxThreads = Integer.valueOf(cmdLine.getOptionValue("threads"));
        } else {
            maxThreads = Runtime.getRuntime().availableProcessors();
        }

        queryFile = new File(args[1]);
        wordSize = Integer.valueOf(args[0]);
        SequenceType refSeqType = null;

        querySeqType = SeqUtils.guessSequenceType(queryFile);
        queryReader = new SequenceReader(queryFile);

        if (querySeqType == SequenceType.Protein) {
            throw new Exception("Expected nucl query sequences");
        }

        refSeqType = SeqUtils
                .guessSequenceType(new File(args[2].contains("=") ? args[2].split("=")[1] : args[2]));

        translQuery = refSeqType == SequenceType.Protein;

        if (translQuery && wordSize % 3 != 0) {
            throw new Exception("Word size must be a multiple of 3 for nucl ref seqs");
        }

        int trieWordSize;
        if (translQuery) {
            trieWordSize = wordSize / 3;
        } else {
            trieWordSize = wordSize;
        }
        kmerTrie = new KmerTrie(trieWordSize, translQuery);

        for (int index = 2; index < args.length; index++) {
            String refName;
            String refFileName = args[index];
            if (refFileName.contains("=")) {
                String[] lexemes = refFileName.split("=");
                refName = lexemes[0];
                refFileName = lexemes[1];
            } else {
                String tmpName = new File(refFileName).getName();
                if (tmpName.contains(".")) {
                    refName = tmpName.substring(0, tmpName.lastIndexOf("."));
                } else {
                    refName = tmpName;
                }
            }

            File refFile = new File(refFileName);

            if (refSeqType != SeqUtils.guessSequenceType(refFile)) {
                throw new Exception(
                        "Reference file " + refFile + " contains " + SeqUtils.guessFileFormat(refFile)
                                + " sequences but expected " + refSeqType + " sequences");
            }

            SequenceReader seqReader = new SequenceReader(refFile);
            Sequence seq;

            while ((seq = seqReader.readNextSequence()) != null) {
                if (seq.getSeqName().startsWith("#")) {
                    continue;
                }
                if (alignedSeqs) {
                    kmerTrie.addModelSequence(seq, refLabels.size());
                } else {
                    kmerTrie.addSequence(seq, refLabels.size());
                }
            }
            seqReader.close();

            refLabels.add(refName);
        }

    } catch (Exception e) {
        new HelpFormatter().printHelp("KmerSearch <word_size> <query_file> [name=]<ref_file> ...", options);
        System.err.println(e.getMessage());
        e.printStackTrace();
        System.exit(1);
        throw new RuntimeException("Stupid jvm"); //While this will never get thrown it is required to make sure javac doesn't get confused about uninitialized variables
    }

    long startTime = System.currentTimeMillis();
    long seqCount = 0;
    final int maxTasks = 25000;

    /*
     * if (args.length == 4) { maxThreads = Integer.valueOf(args[3]); } else {
     */

    //}

    System.err.println("Starting kmer mapping at " + new Date());
    System.err.println("*  Number of threads:       " + maxThreads);
    System.err.println("*  References:              " + refLabels);
    System.err.println("*  Reads file:              " + queryFile);
    System.err.println("*  Kmer length:             " + kmerTrie.getWordSize());

    final AtomicInteger processed = new AtomicInteger();
    final AtomicInteger outstandingTasks = new AtomicInteger();

    ExecutorService service = Executors.newFixedThreadPool(maxThreads);

    Sequence querySeq;

    while ((querySeq = queryReader.readNextSequence()) != null) {
        seqCount++;

        String seqString = querySeq.getSeqString();

        if (seqString.length() < 3) {
            System.err.println("Sequence " + querySeq.getSeqName() + "'s length is less than 3");
            continue;
        }

        final Sequence threadSeq = querySeq;

        Runnable r = new Runnable() {

            public void run() {
                try {
                    processSeq(threadSeq, refLabels, kmerTrie, out, wordSize, translQuery, translTable, false);
                    processSeq(threadSeq, refLabels, kmerTrie, out, wordSize, translQuery, translTable, true);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }

                processed.incrementAndGet();
                outstandingTasks.decrementAndGet();
            }
        };

        outstandingTasks.incrementAndGet();
        service.submit(r);

        while (outstandingTasks.get() >= maxTasks)
            ;

        if ((processed.get() + 1) % 1000000 == 0) {
            System.err.println("Processed " + processed + " sequences in "
                    + (System.currentTimeMillis() - startTime) + " ms");
        }
    }

    service.shutdown();
    service.awaitTermination(1, TimeUnit.DAYS);

    System.err.println("Finished Processed " + processed + " sequences in "
            + (System.currentTimeMillis() - startTime) + " ms");

    out.close();
}

From source file:org.xserver.bootstrap.XServerBootstrap.java

public static void main(String[] args) {
    long beginTime = System.currentTimeMillis();
    initSpring();//  ww  w. ja  v a 2 s .  c o m

    XServerBootstrap xServerBootstrap = (XServerBootstrap) SpringUtil.getBean(XServerBootstrap.class);

    xServerBootstrap.init();

    try {
        long usedTime = System.currentTimeMillis() - beginTime;
        stdOutLog.info(logo);
        stdOutLog.info(
                "XServer Http Service start OK, bind port [{}], USED TIME [{}], USED MEMORY [{}], TOTOAL MEMORY [{}]  at {}/{}",
                new Object[] { xServerBootstrap.xServerHttpConfig.getPort(), usedTime + "ms",
                        (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / 1024 / 1024
                                + "M",
                        Runtime.getRuntime().maxMemory() / 1024 / 1024 + "M",
                        xServerBootstrap.xServerListener.getOSName(),
                        xServerBootstrap.xServerListener.getVersion() });
        logger.info(
                "XServer Http Service start OK, bind port [{}], USED TIME [{}], USED MEMORY [{}], TOTOAL MEMORY [{}]",
                new Object[] { xServerBootstrap.xServerHttpConfig.getPort(), usedTime + "ms",
                        (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / 1024 / 1024
                                + "M",
                        Runtime.getRuntime().maxMemory() / 1024 / 1024 + "M" });
    } catch (Exception e) {
        stdOutLog.error("XServer Http Service start fail. port [{}]",
                xServerBootstrap.xServerHttpConfig.getPort());
        logger.error("XServer Start Fail.", e);
        System.exit(1);
    }
}

From source file:com.norconex.jefmon.server.JEFMonServer.java

public static void main(String[] args) throws Exception {
    Properties props = getSetupProperties();

    String localesString = props.getString("locales");
    String[] localeStrings = localesString.split(",");
    Locale[] locales = new Locale[localeStrings.length];
    for (int i = 0; i < localeStrings.length; i++) {
        locales[i] = LocaleUtils.toLocale(localeStrings[i].trim());
    }/*from   w w  w. j a  va  2 s  .c om*/

    final JEFMonServer server = new JEFMonServer(props.getInt("port", 80), props.getBoolean("https", false),
            locales);
    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            try {
                server.stop();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
    server.run();
}

From source file:com.yahoo.pulsar.testclient.PerformanceConsumer.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-consumer");

    try {/*from  w ww  . j  a  va  2s. c om*/
        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.topic.size() != 1) {
        System.out.println("Only one destination 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);
        }
    }

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance consumer with config: {}", w.writeValueAsString(arguments));

    final DestinationName prefixDestinationName = DestinationName.get(arguments.topic.get(0));

    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;

    MessageListener listener = new MessageListener() {
        public void received(Consumer consumer, Message msg) {
            messagesReceived.increment();
            bytesReceived.add(msg.getData().length);

            if (limiter != null) {
                limiter.acquire();
            }

            consumer.acknowledgeAsync(msg);
        }
    };

    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2,
                new DefaultThreadFactory("pulsar-perf-consumer"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(),
                new DefaultThreadFactory("pulsar-perf-consumer"));
    }

    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 pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);

    List<Future<Consumer>> futures = Lists.newArrayList();
    ConsumerConfiguration consumerConfig = new ConsumerConfiguration();
    consumerConfig.setMessageListener(listener);
    consumerConfig.setReceiverQueueSize(arguments.receiverQueueSize);

    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixDestinationName
                : DestinationName.get(String.format("%s-%d", prefixDestinationName, i));
        log.info("Adding {} consumers on destination {}", arguments.numConsumers, destinationName);

        for (int j = 0; j < arguments.numConsumers; j++) {
            String subscriberName;
            if (arguments.numConsumers > 1) {
                subscriberName = String.format("%s-%d", arguments.subscriberName, j);
            } else {
                subscriberName = arguments.subscriberName;
            }

            futures.add(
                    pulsarClient.subscribeAsync(destinationName.toString(), subscriberName, consumerConfig));
        }
    }

    for (Future<Consumer> future : futures) {
        future.get();
    }

    log.info("Start receiving from {} consumers on {} destinations", arguments.numConsumers,
            arguments.numDestinations);

    long oldTime = System.nanoTime();

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;

        log.info("Throughput received: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }

    pulsarClient.close();
}