avg     time.Duration
	peak    time.Duration
	N       int64
}

func (l *latencyStat) update(d time.Duration) {
	l.lastmin.add(d)
	l.N++
	if d > l.peak {
		l.peak = d
	}
	l.curr = l.lastmin.getTotal().avg()
	l.avg = time.Duration((int64(l.avg)*(l.N-1) + int64(l.curr)) / l.N)
}

// epHealth struct represents health of a replication target endpoint.
type epHealth struct {
	Endpoint        string

            buf.append("\"query_time\":").append(suggestResponse.getTookMs());
            buf.append(",\"record_count\":").append(suggestResponse.getTotal());
            buf.append(",\"page_size\":").append(suggestResponse.getNum());

            if (!suggestResponse.getItems().isEmpty()) {
                buf.append(",\"data\":[");

}

// total returns the total call count and latency for the last minute.
func (e *lockedLastMinuteLatency) total() AccElem {
	e.mu.Lock()
	defer e.mu.Unlock()
	return e.lastMinuteLatency.getTotal()
}

func newXLStorageDiskIDCheck(storage *xlStorage, healthCheck bool) *xlStorageDiskIDCheck {
	xl := xlStorageDiskIDCheck{
		storage:      storage,
		health:       newDiskHealthTracker(),

					})
				}
			}
			ml = append(ml, MetricV2{
				Description: getClusterReplProxiedGetOperationsMD(clusterMetricNamespace),
				Value:       float64(m.Proxied.GetTotal),
			})
			ml = append(ml, MetricV2{
				Description: getClusterReplProxiedHeadOperationsMD(clusterMetricNamespace),
				Value:       float64(m.Proxied.HeadTotal),
			})
			ml = append(ml, MetricV2{