e.Versions += other.Versions
	e.DeleteMarkers += other.DeleteMarkers
	e.Size += other.Size

	for i, v := range other.ObjSizes[:] {
		e.ObjSizes[i] += v
	}

	for i, v := range other.ObjVersions[:] {
		e.ObjVersions[i] += v
	}

	if other.AllTierStats != nil && len(other.AllTierStats.Tiers) != 0 {
		if e.AllTierStats == nil {
			e.AllTierStats = newAllTierStats()
		}
		e.AllTierStats.merge(other.AllTierStats)