MetricsConfig.java 文件源码

@Override
public void configureReporters(MetricRegistry metricRegistry) {

    registerReporter(Slf4jReporter.forRegistry(metricRegistry)
            .outputTo(LoggerFactory.getLogger("metrics"))
            .convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS)
            .build()).start(1, TimeUnit.MINUTES);

    // set DNS ttl to 60 per Hosted Graphite documentation
    java.security.Security.setProperty("networkaddress.cache.ttl", "60");
    Graphite graphite = new Graphite(new InetSocketAddress(graphiteHost, graphitePort));

    registerReporter(GraphiteReporter.forRegistry(metricRegistry)
            .convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS)
            .prefixedWith(graphiteApiKey)
            .build(graphite)).start(1, TimeUnit.MINUTES);
}