Name   MetricName
	Labels map[string]string

	// value captured in current cycle
	Current float64

	// Used when system provides cumulative (since uptime) values
	// helps in calculating the current value by comparing the new
	// cumulative value with previous one
	Cumulative float64

	Max   float64
	Avg   float64
	Sum   float64
	Count uint64
}

func init() {

}

// SMA struct for calculating simple moving average
type SMA struct {
	buf       []float64
	window    int     // len of buf
	idx       int     // current index in buf
	CAvg      float64 // cumulative average
	prevSMA   float64
	filledBuf bool
}

func newSMA(ln int) *SMA {
	if ln <= 0 {
		ln = defaultWindowSize
	}
	return &SMA{
		buf:    make([]float64, ln),
		window: ln,

			APIName: "Scanner",
			Bucket:  i.bucket,
			Object:  i.objectPath(),
			Tags: map[string]string{
				"x-minio-versions": strconv.Itoa(remainingVersions),
			},
		})
	}

	// Check if the cumulative size of all versions of this object is high.
	if cumulativeSize >= scannerExcessObjectVersionsTotalSize.Load() {
		// Notify object accessed via a GET request.
		sendEvent(eventArgs{