java类com.codahale.metrics.jvm.ThreadStatesGaugeSet的实例源码

private ServletContextHandler getMetricsHandler() {
    MetricRegistry registry = Metrics.getRegistry();
    HealthCheckRegistry healthCheckRegistry = Metrics.getHealthCheckRegistry();
    healthCheckRegistry.register("rotation", new Rotation(configuration.getRotationStatusFilePath()));

    registry.registerAll(new GarbageCollectorMetricSet());
    registry.registerAll(new MemoryUsageGaugeSet());
    registry.registerAll(new ThreadStatesGaugeSet());
    registry.registerAll(new JvmAttributeGaugeSet());

    ServletContextHandler servletContextHandler = new ServletContextHandler();
    servletContextHandler.setContextPath("/__metrics");
    servletContextHandler.setAttribute(MetricsServlet.class.getCanonicalName() + ".registry", registry);
    servletContextHandler.setAttribute(HealthCheckServlet.class.getCanonicalName() + ".registry", healthCheckRegistry);
    servletContextHandler.addServlet(new ServletHolder(new AdminServlet()), "/*");

    return servletContextHandler;
}

@PostConstruct
public void init() {
    /*
     * consoleReporter = ConsoleReporter.forRegistry(metricRegistry) .convertRatesTo(TimeUnit.SECONDS)
     * .convertDurationsTo(TimeUnit.MILLISECONDS) .build(); consoleReporter.start(1, TimeUnit.SECONDS);
     */
    GarbageCollectorMetricSet gc = new GarbageCollectorMetricSet();

    // FileDescriptorRatioGauge fd = new FileDescriptorRatioGauge();
    MemoryUsageGaugeSet mu = new MemoryUsageGaugeSet();

    // ThreadDeadlockDetector td = new ThreadDeadlockDetector();

    // ThreadDump t = new ThreadDump();
    ThreadStatesGaugeSet ts = new ThreadStatesGaugeSet();

    metricRegistry.register("GarbageCollector", gc);
    // registry.register(FileDescriptorRatioGauge.class.getName(), fd);
    metricRegistry.register("MemoryUsage", mu);
    // registry.register(ThreadDeadlockDetector.class.getName(), td);
    // registry.registerAll(t);
    metricRegistry.register("ThreadStates", ts);
    healthCheckRegistry.register("threadDeadlock",
            new ThreadDeadlockHealthCheck());
}

public CloudWatchReporter build() {

            if (withJvmMetrics) {
                metricRegistry.register("jvm.uptime", (Gauge<Long>) () -> ManagementFactory.getRuntimeMXBean().getUptime());
                metricRegistry.register("jvm.current_time", (Gauge<Long>) clock::getTime);
                metricRegistry.register("jvm.classes", new ClassLoadingGaugeSet());
                metricRegistry.register("jvm.fd_usage", new FileDescriptorRatioGauge());
                metricRegistry.register("jvm.buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
                metricRegistry.register("jvm.gc", new GarbageCollectorMetricSet());
                metricRegistry.register("jvm.memory", new MemoryUsageGaugeSet());
                metricRegistry.register("jvm.thread-states", new ThreadStatesGaugeSet());
            }

            cwRateUnit = toStandardUnit(rateUnit);
            cwDurationUnit = toStandardUnit(durationUnit);

            return new CloudWatchReporter(this);
        }

public static void enableJvm() {

        if (bEnableJvm)
            return;

        METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
        METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
        METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
        METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
        METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_BUFFERS,
                new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));

        final JmxReporter jmxReporter = JmxReporter.forRegistry(METRIC_REGISTRY).build();
        jmxReporter.start();

        bEnableJvm = true;
    }

@Override
public void onStartup(ServletContext servletContext) throws ServletException {
  metricRegistry.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
  metricRegistry.register(PROP_METRIC_REG_JVM_BUFFERS,
      new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));

  servletContext.setAttribute(InstrumentedFilter.REGISTRY_ATTRIBUTE, metricRegistry);

  FilterRegistration.Dynamic metricsFilter =
      servletContext.addFilter("webappMetricsFilter", new InstrumentedFilter());

  metricsFilter.addMappingForUrlPatterns(
      EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD, DispatcherType.ASYNC), true,
      "/*");
  metricsFilter.setAsyncSupported(true);
}

public void start() {
  setMetricsReporter(metricsGroupName);

  final String jvmMetricsName = metricsGroupName + "-JVM";
  setMetricsReporter(jvmMetricsName);

  if(!inited) {
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "MEMORY"), new MemoryUsageGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "FILE"), new FileDescriptorRatioGauge());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "GC"), new GarbageCollectorMetricSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "THREAD"), new ThreadStatesGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "LOG"), new LogEventGaugeSet());
    jmxReporter = JmxReporter.forRegistry(metricRegistry).inDomain("Tajo")
            .createsObjectNamesWith(new TajoJMXObjectNameFactory()).build();
    jmxReporter.start();
  }
  inited = true;
}

/**
 * Add metrics JVM gauges.
 */
private void addJvmMetrics() {
  if (getB("jvm.gcstats", false)) {
    ooMetricsRegistry.registerAll(new GarbageCollectorMetricSet());
  }
  if (getB("jvm.memory", false)) {
    ooMetricsRegistry.registerAll(new MemoryUsageGaugeSet());
  }
  if (getB("jvm.threadstate", false)) {
    ooMetricsRegistry.registerAll(new ThreadStatesGaugeSet());
  }
  if (getB("jvm.filedescriptor", false)) {
    ooMetricsRegistry.register("openfd.ratio", new FileDescriptorRatioGauge());
  }
}

private void initRegistry() {
    // add JVM statistics
    metricRegistry.register("jvm.memory", new MemoryUsageGaugeSet());
    metricRegistry.register("jvm.vm", new JvmAttributeGaugeSet());
    metricRegistry.register("jvm.garbage-collectors", new GarbageCollectorMetricSet());
    metricRegistry.register("jvm.thread-states", new ThreadStatesGaugeSet());

    if (hBaseAsyncOperationMetrics != null) {
        Map<String, Metric> metrics = hBaseAsyncOperationMetrics.getMetrics();
        for (Map.Entry<String, Metric> metric : metrics.entrySet()) {
            metricRegistry.register(metric.getKey(), metric.getValue());
        }
    }
}

private static void configureJvmMetrics(MetricRegistry registry) {
  MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
  registry.register("jvm.buffer-pool", new BufferPoolMetricSet(mBeanServer));
  registry.register("jvm.class-loading", new ClassLoadingGaugeSet());
  registry.register("jvm.file-descriptor-ratio", new FileDescriptorRatioGauge());
  registry.register("jvm.gc", new GarbageCollectorMetricSet());
  registry.register("jvm.memory", new MemoryUsageGaugeSet());
  registry.register("jvm.threads", new ThreadStatesGaugeSet());
}

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

    ConsoleReporter reporter = ConsoleReporter.forRegistry(metrics).convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS).build();

    metrics.register("jvm.mem", new MemoryUsageGaugeSet());
    metrics.register("jvm.gc", new GarbageCollectorMetricSet() );
    metrics.register("jvm.threads", new ThreadStatesGaugeSet() );
    reporter.start(30, TimeUnit.SECONDS);

    TimeUnit.SECONDS.sleep(500);
}

@PostConstruct
public void init() {
    log.debug("Registering JVM gauges");
    metricRegistry.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
    metricRegistry.register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
    if (propertyResolver.getProperty(PROP_JMX_ENABLED, Boolean.class, false)) {
        log.info("Initializing Metrics JMX reporting");
        JmxReporter jmxReporter = JmxReporter.forRegistry(metricRegistry).build();
        jmxReporter.start();
    }
}

/**
 * Adds JVM MetricSets to this engine.  By default JVM metrics are not placed in the Registry
 */
public CodahaleMetricsEngine reportJvmMetrics() {
    // add JVM metrics
    if (!jvmMetricsAdded) {
        metricsCollector.registerAll("JVM-gc", new GarbageCollectorMetricSet());
        metricsCollector
            .registerAll("JVM-buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
        metricsCollector.registerAll("JVM-memory", new MemoryUsageGaugeSet());
        metricsCollector.registerAll("JVM-threads", new ThreadStatesGaugeSet());
        jvmMetricsAdded = true;
    }
    return this;
}

public MetricPaasService() throws IOException {
    super();
    metrics.register("Heap", new MemoryUsageGaugeSet());
    metrics.register("GC", new GarbageCollectorMetricSet());
    metrics.register("Thread", new ThreadStatesGaugeSet());
    metrics.register("CPU", new CpuUsageGaugeSet());

    JmxReporter reporter = JmxReporter.forRegistry(metrics).build();
    reporter.start();
}

@PostConstruct
public void init() {
    log.debug("Registering JVM gauges");
    metricRegistry.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JCACHE_STATISTICS, new JCacheGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
    metricRegistry.register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
    if (hikariDataSource != null) {
        log.debug("Monitoring the datasource");
        hikariDataSource.setMetricRegistry(metricRegistry);
    }
    if (jHipsterProperties.getMetrics().getJmx().isEnabled()) {
        log.debug("Initializing Metrics JMX reporting");
        JmxReporter jmxReporter = JmxReporter.forRegistry(metricRegistry).build();
        jmxReporter.start();
    }

    if (jHipsterProperties.getMetrics().getLogs().isEnabled()) {
        log.info("Initializing Metrics Log reporting");
        final Slf4jReporter reporter = Slf4jReporter.forRegistry(metricRegistry)
            .outputTo(LoggerFactory.getLogger("metrics"))
            .convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS)
            .build();
        reporter.start(jHipsterProperties.getMetrics().getLogs().getReportFrequency(), TimeUnit.SECONDS);
    }
}

@Override
public void configureReporters(MetricRegistry metricRegistry) {
    metricRegistry.addListener(metricsListener);

    metricRegistry.register("jvm.gc", new GarbageCollectorMetricSet());
    metricRegistry.register("jvm.memory", new MemoryUsageGaugeSet());
    metricRegistry.register("jvm.thread-states", new ThreadStatesGaugeSet());
    metricRegistry.register("jvm.fd.usage", new FileDescriptorRatioGauge());


    if(environment.acceptsProfiles(AmqpUtils.PROFILE)) {
        final String applicationId = AppInfo.getApplicationName();
        AmqpUtils.ExchangeFactory exchangeFactory = new AmqpUtils.ExchangeFactory();
        exchangeFactory.setExchangeName(exchange);
        AmqpReporter amqpReporter = AmqpReporter.forRegistry(metricRegistry)
          .connectionFactoryProvider(connectionFactoryProvider)
          .exchangeName(exchange)
          .routingKey(applicationId)
          .exchangeFactory(exchangeFactory)
          .build();
        amqpReporter.start(reportPeriod, TimeUnit.SECONDS);
        LOG.info("AmqpReporter enabled: applicationId: {} reportPeriod: {} seconds, exchange: {}",
                applicationId, reportPeriod, exchange);
    } else {
        //sample configuration for metrics reported
        // https://dropwizard.github.io/metrics/3.1.0/manual/core/#man-core-reporters-console
        final Slf4jReporter reporter = Slf4jReporter.forRegistry(metricRegistry)
                .outputTo(LoggerFactory.getLogger("com.codeabovelab.dm.metrics"))
                .convertRatesTo(TimeUnit.SECONDS)
                .convertDurationsTo(TimeUnit.MILLISECONDS)
                .build();
        reporter.start(reportPeriod, TimeUnit.SECONDS);
    }
}

private Builder getGraphiteReporterBuilder(MetricRegistry metricRegistry) {
    metricRegistry.register("gc", new GarbageCollectorMetricSet());
    metricRegistry.register("memory", new MemoryUsageGaugeSet());
    metricRegistry.register("threads", new ThreadStatesGaugeSet());
    metricRegistry.register("os", new OperatingSystemGaugeSet());
    return GraphiteReporter.forRegistry(metricRegistry).convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS).filter(MetricFilter.ALL).prefixedWith(graphitePrefix);
}

@Override
public void run(String... strings) throws Exception {
    // JVM metrics ala Dropwizard metrics-jvm
    metricRegistry.registerAll(new MemoryUsageGaugeSet());
    metricRegistry.registerAll(new ThreadStatesGaugeSet());
    metricRegistry.registerAll(new GarbageCollectorMetricSet());
    metricRegistry.registerAll(new ClassLoadingGaugeSet());
    // start collecting w/ statsd via ReadyTalk client
    reporter.start(statsdSettings.getPublishingIntervalInMillis(), TimeUnit.MILLISECONDS);
}

private static void registerSystemMetrics() {
  REGISTRY.registerAll(new GarbageCollectorMetricSet());
  REGISTRY.registerAll(new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  REGISTRY.registerAll(new MemoryUsageGaugeSet());
  REGISTRY.registerAll(new ThreadStatesGaugeSet());
  register("fd.usage", new FileDescriptorRatioGauge());
}

@Inject
public MetricsServlet(final MetricRegistry registry) {
  super(registry);

  // JVM metrics are no longer automatically added in codahale-metrics
  registry.register(name("jvm", "vm"), new JvmAttributeGaugeSet());
  registry.register(name("jvm", "memory"), new MemoryUsageGaugeSet());
  registry.register(name("jvm", "buffers"), new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  registry.register(name("jvm", "fd_usage"), new FileDescriptorRatioGauge());
  registry.register(name("jvm", "thread-states"), new ThreadStatesGaugeSet());
  registry.register(name("jvm", "garbage-collectors"), new GarbageCollectorMetricSet());
}

@Override
protected void startVerticle() {

    m_sharedData = vertx.sharedData().getMap(SHARED_METRICS_KEY);

    // OSHI system information
    SystemInfo systemInfo = new SystemInfo();
    m_oshiMetrics = new OshiMetrics(systemInfo);
    m_oshiMetrics.init();

    // Java OS MXBean information
    m_osMXBeanMetrics = new OSMXBeanMetrics();
    m_osMXBeanMetrics.init();

    // Register metrics
    m_registry = new MetricRegistry();

    logger().debug("Registering JVM garbage collection metric set");
    registerMetrics("jvm.gc", new GarbageCollectorMetricSet(), m_registry);

    logger().debug("Registering JMV buffer metric set");
    registerMetrics("jvm.buffers", new BufferPoolMetricSet(
            ManagementFactory.getPlatformMBeanServer()), m_registry);

    logger().debug("Registering JMV memory usage metric set");
    registerMetrics("jvm.memory", new MemoryUsageGaugeSet(), m_registry);

    logger().debug("Registering JMV thread states metric set");
    registerMetrics("jvm.threads", new ThreadStatesGaugeSet(), m_registry);

    // Aggregate metrics
    registerAggregateMetrics(m_registry);

    // Output system information
    outputSysInfo(systemInfo);
}

@PostConstruct
public void init() {
    log.debug("Registering JVM gauges");
    metricRegistry.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
    metricRegistry.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
    metricRegistry.register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
    if (jHipsterProperties.getMetrics().getJmx().isEnabled()) {
        log.debug("Initializing Metrics JMX reporting");
        JmxReporter jmxReporter = JmxReporter.forRegistry(metricRegistry).build();
        jmxReporter.start();
    }
}

private void setupMetrics(Configuration configuration) {
  boolean metricsJvm     = configuration.getBoolean("metrics.jvm", false);
  boolean metricsLogback = configuration.getBoolean("metrics.logback", false);
  boolean metricsConsole = configuration.getBoolean("metrics.console", false);

  if(metricsJvm) {
    metricRegistry.registerAll(new GarbageCollectorMetricSet());
    metricRegistry.registerAll(new MemoryUsageGaugeSet());
    metricRegistry.registerAll(new ThreadStatesGaugeSet());
  }

  if (metricsLogback) {
    InstrumentedAppender appender = new InstrumentedAppender(metricRegistry);

    ch.qos.logback.classic.Logger logger = (ch.qos.logback.classic.Logger)Logger.underlying();
    appender.setContext(logger.getLoggerContext());
    appender.start();
    logger.addAppender(appender);
  }

  if (metricsConsole) {
    ConsoleReporter consoleReporter = ConsoleReporter.forRegistry(metricRegistry)
      .convertRatesTo(TimeUnit.SECONDS)
      .convertDurationsTo(TimeUnit.MILLISECONDS)
      .build();
    consoleReporter.start(1, TimeUnit.SECONDS);
  }

}

@Override
public void start() {

    String applicationName = settings.getApplicationName();

    // Register optional metrics
    if (settings.getBoolean(Settings.Setting.metrics_jvm_enabled, false)) {
        registerAll("jvm.gc", new GarbageCollectorMetricSet());
        registerAll("jvm.memory", new MemoryUsageGaugeSet());
        registerAll("jvm.threads", new ThreadStatesGaugeSet());
        registerAll("jvm.classes", new ClassLoadingGaugeSet());

        log.debug("Registered JVM-Metrics integration");
    }

    // MBeans for VisualVM, JConsole, or JMX
    if (settings.getBoolean(Settings.Setting.metrics_mbeans_enabled, false)) {
        JmxReporter reporter = JmxReporter.forRegistry(metricRegistry).inDomain(applicationName).build();
        reporter.start();
        reporters.add(reporter);

        log.debug("Started metrics MBeans reporter");
    }

    // Add classpath reporters
    ServiceLocator.locateAll(MetricsReporter.class).forEach((reporter) -> {
        if (RequireUtil.allowInstance(settings, reporter)) {
            reporter.start(settings, metricRegistry);
            reporters.add(reporter);
        }
    });
}

private void registerJVMMetrics() {
    registerAllJVMMetrics(Level.INFO, "jvm.memory", new MemoryUsageGaugeSet());
    registerAllJVMMetrics(Level.INFO, "jvm.os", new OperatingSystemMetricSet());
    registerAllJVMMetrics(Level.INFO, "jvm.class-loading", new ClassLoadingGaugeSet());
    registerAllJVMMetrics(Level.DEBUG, "jvm.gc", new GarbageCollectorMetricSet());
    registerAllJVMMetrics(Level.DEBUG, "jvm.threads", new ThreadStatesGaugeSet());
    registerAllJVMMetrics(Level.TRACE, "jvm.buffers",
            new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
}

@Provides @Singleton MetricRegistry provideMetrics() {
  MetricRegistry metrics = new MetricRegistry();
  metrics.register("jvm.memory", new MemoryUsageGaugeSet());
  metrics.register("jvm.garbage", new GarbageCollectorMetricSet());
  metrics.register("jvm.threads", new ThreadStatesGaugeSet());
  metrics.register("jvm.files", new FileDescriptorRatioGauge());
  metrics.register("jvm.buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  return metrics;
}

@PostConstruct
public void init() {
  log.debug("Registering JVM gauges");
  metricRegistry.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
  metricRegistry.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
  metricRegistry.register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  if (applicationProperties.getMetrics().getJmx().isEnabled()) {
    log.debug("Initializing Metrics JMX reporting");
    JmxReporter jmxReporter = JmxReporter.forRegistry(metricRegistry).build();
    jmxReporter.start();
  }
}

@PostConstruct
public void init() {
  log.debug("Registering JVM gauges");
  METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
  METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
  METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
  METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
  METRIC_REGISTRY
      .register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  if(propertyResolver.getProperty(PROP_JMX_ENABLED, Boolean.class, false)) {
    log.info("Initializing Metrics JMX reporting");
    JmxReporter jmxReporter = JmxReporter.forRegistry(METRIC_REGISTRY).build();
    jmxReporter.start();
  }
}

/**
 * Registers a default set of metrics for the JVM.
 */
private void registerDefaultMetrics() {
    metricRegistry.register(JVM_GARBAGE_COLLECTOR_METRICS, new GarbageCollectorMetricSet());
    metricRegistry.register(JVM_MEMORY_METRICS, new MemoryUsageGaugeSet());
    metricRegistry.register(JVM_THREAD_METRICS, new ThreadStatesGaugeSet());
    metricRegistry.register(JVM_FILE_DESCRIPTOR_METRICS, new FileDescriptorRatioGauge());
}

public void start() {
  setMetricsReporter(metricsGroupName);

  String jvmMetricsName = metricsGroupName + "-jvm";
  setMetricsReporter(jvmMetricsName);

  if(!inited) {
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Heap"), new MemoryUsageGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "File"), new FileDescriptorRatioGauge());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "GC"), new GarbageCollectorMetricSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Thread"), new ThreadStatesGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Log"), new LogEventGaugeSet());
  }
  inited = true;
}

public void start() {
  setMetricsReporter(metricsGroupName);

  String jvmMetricsName = metricsGroupName + "-jvm";
  setMetricsReporter(jvmMetricsName);

  if(!inited) {
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Heap"), new MemoryUsageGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "File"), new FileDescriptorRatioGauge());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "GC"), new GarbageCollectorMetricSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Thread"), new ThreadStatesGaugeSet());
    metricRegistry.register(MetricRegistry.name(jvmMetricsName, "Log"), new LogEventGaugeSet());
  }
  inited = true;
}