func exponentialMovingAverage(beta, previousAvg, incrementAvg float64) float64 {
	return (1-beta)*incrementAvg + beta*previousAvg
}

// getExpMovingAvgBytesPerSecond returns the exponential moving average for the bucket/target in bytes
func (m *rateMeasurement) getExpMovingAvgBytesPerSecond() float64 {
	m.lock.Lock()
	defer m.lock.Unlock()
	return m.expMovingAvg
}

// ActiveWorkerStat is stat for active replication workers

		if !selectBucket(bucketOpts.Name) {
			continue
		}
		m.tlock.RLock()
		if tgtThrottle, ok := m.bucketsThrottle[bucketOpts]; ok {
			currBw := bucketMeasurement.getExpMovingAvgBytesPerSecond()
			report.BucketStats[bucketOpts] = Details{
				LimitInBytesPerSecond:            tgtThrottle.NodeBandwidthPerSec * int64(m.NodeCount),
				CurrentBandwidthInBytesPerSecond: currBw,
			}
		}