if bucket >= timeHistNumBuckets {
		h.overflow.Add(1)
		return
	}
	// The sub-bucket index is just next timeHistSubBucketBits after the bucketBit.
	subBucket := uint(duration>>(bucketBit-1-timeHistSubBucketBits)) % timeHistNumSubBuckets
	h.counts[bucket*timeHistNumSubBuckets+subBucket].Add(1)
}

// write dumps the histogram to the passed metricValue as a float64 histogram.
func (h *timeHistogram) write(out *metricValue) {

		ReplicatedSize:  rs.ReplicatedSize,
		ReplicatedCount: rs.ReplicatedCount,
		FailedSize:      rs.FailedSize,
		FailedCount:     rs.FailedCount,
		Bucket:          rs.Bucket,
		Object:          rs.Object,
		NumBuckets:      int64(rs.TotBuckets),
	}
	for b, st := range rs.BucketStatuses {
		if st == ResyncFailed {
			m.FailedBuckets = append(m.FailedBuckets, b)
		}
	}
	return &m
}