type ReplicationLastMinute struct {
	LastMinute lastMinuteLatency
}

func (rl ReplicationLastMinute) merge(other ReplicationLastMinute) (nl ReplicationLastMinute) {
	nl = ReplicationLastMinute{rl.LastMinute.merge(other.LastMinute)}
	return
}

func (rl *ReplicationLastMinute) addsize(n int64) {
	t := time.Now().Unix()
	rl.LastMinute.addAll(t-1, AccElem{Total: t - 1, Size: n, N: 1})
}

				if hi := disks[index].Healing(); hi != nil {
					hd := hi.toHealingDisk()
					di.HealInfo = &hd
				}
			}
			di.Metrics = &madmin.DiskMetrics{
				LastMinute:              make(map[string]madmin.TimedAction, len(info.Metrics.LastMinute)),
				APICalls:                make(map[string]uint64, len(info.Metrics.APICalls)),
				TotalErrorsAvailability: info.Metrics.TotalErrorsAvailability,

				default:
					err = dc.Skip()
					if err != nil {
						err = msgp.WrapError(err, "SinceUptime")
						return
					}
				}
			}
		case "LastMinute":
			err = z.LastMinute.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "LastMinute")
				return
			}
		case "ErrCounts":
			var zb0003 uint32
			zb0003, err = dc.ReadMapHeader()
			if err != nil {

	p.metricsCache.InitOnce(5*time.Second,
		cachevalue.Opts{},
		func() (DiskMetrics, error) {
			diskMetric := DiskMetrics{
				LastMinute: make(map[string]AccElem, len(p.apiLatencies)),
				APICalls:   make(map[string]uint64, len(p.apiCalls)),
			}
			for i, v := range p.apiLatencies {
				diskMetric.LastMinute[storageMetric(i).String()] = v.total()
			}
			for i := range p.apiCalls {

}

// DiskMetrics has the information about XL Storage APIs
// the number of calls of each API and the moving average of
// the duration of each API.
type DiskMetrics struct {
	LastMinute              map[string]AccElem `json:"apiLatencies,omitempty"`
	APICalls                map[string]uint64  `json:"apiCalls,omitempty"`
	TotalWaiting            uint32             `json:"totalWaiting,omitempty"`