DrillMetrics.java 文件源码

private static void registerSysStats(){
  REGISTRY.registerAll(new GarbageCollectorMetricSet());
  REGISTRY.registerAll(new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
  REGISTRY.registerAll(new MemoryUsageGaugeSet());
  REGISTRY.registerAll(new ThreadStatesGaugeSet());
}