Type:      counterMetric,
	}
}

func getNodeDriveWaitingIOMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: driveSubsystem,
		Name:      "io_waiting",
		Help:      "Total number I/O operations waiting on drive",
		Type:      counterMetric,
	}
}

func getNodeDriveFreeBytesMD() MetricDescription {
	return MetricDescription{

    int numThreads = 3;
    Thread[] threads = new Thread[numThreads];
    long timeout = SECONDS.toNanos(60);

    Supplier<Boolean> supplier =
        new Supplier<Boolean>() {
          boolean isWaiting(Thread thread) {
            switch (thread.getState()) {
              case BLOCKED:
              case WAITING:
              case TIMED_WAITING:
                return true;
              default: