throttle.Limiter = rate.NewLimiter(rate.Limit(float64(limitBytes)), int(limitBytes))
	m.bucketsThrottle[BucketOptions{Name: bucket, ReplicationARN: arn}] = throttle
}

// IsThrottled returns true if a bucket has bandwidth throttling enabled.
func (m *Monitor) IsThrottled(bucket, arn string) bool {
	m.tlock.RLock()
	defer m.tlock.RUnlock()
	_, ok := m.bucketsThrottle[BucketOptions{Name: bucket, ReplicationARN: arn}]
	return ok