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})
}

func (rl *ReplicationLastMinute) String() string {
	t := rl.LastMinute.getTotal()
	return fmt.Sprintf("ReplicationLastMinute sz= %d, n=%d , dur=%d", t.Size, t.N, t.Total)
}