metrics.java

MetricRegistry metrics = new MetricRegistry();

GraphiteReporter reporter = GraphiteReporter.forRegistry(metrics)
  .prefixedWith(metricPrefix)
  .build(new Graphite(graphiteHost, graphitePort));

reporter.start(reportingPeriod, TimeUnit.MINUTES);

Meter meter = metrics.meter(meterName);

for (int i = 0; i < 10; i++) {
  meter.mark();
}