MetricsConfiguration.java 文件源码

@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();
    }
    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);
    }
}