clusterBuckets++
		clusterSize += usage.Size
		clusterObjectsCount += usage.ObjectsCount
		clusterVersionsCount += usage.VersionsCount
		clusterDeleteMarkersCount += usage.DeleteMarkersCount
		for k, v := range usage.ObjectSizesHistogram {
			clusterObjectSizesHistogram[k] += v
		}
		for k, v := range usage.ObjectVersionsHistogram {
			clusterVersionsHistogram[k] += v
		}
	}

				"Total capacity replicated to this instance",
				[]string{"bucket"}, nil),
			prometheus.GaugeValue,
			float64(stat.ReplicationStats.ReplicaSize),
			bucket,
		)

		for k, v := range usageInfo.ObjectSizesHistogram {
			ch <- prometheus.MustNewConstMetric(
				prometheus.NewDesc(
					prometheus.BuildFQName(bucketNamespace, "objects", "histogram"),
					"Total number of objects of different sizes in a bucket",

		bui := BucketUsageInfo{
			Size:                    uint64(flat.Size),
			VersionsCount:           flat.Versions,
			ObjectsCount:            flat.Objects,
			DeleteMarkersCount:      flat.DeleteMarkers,
			ObjectSizesHistogram:    flat.ObjSizes.toMap(),
			ObjectVersionsHistogram: flat.ObjVersions.toMap(),
		}
		dst[bucket.Name] = bui
	}
	return dst
}

// sizeRecursive returns the path as a flattened entry.

			// Fetch the data usage of the current bucket
			bui := globalBucketQuotaSys.GetBucketUsageInfo(ctx, bucket.Name)
			size := bui.Size
			objectsCount := bui.ObjectsCount
			objectsHist := bui.ObjectSizesHistogram
			versionsHist := bui.ObjectVersionsHistogram

			// Fetch the prefix usage of the current bucket
			var prefixUsage map[string]uint64
			if enablePrefixUsage {

			clusterSize += usage.Size
			clusterObjectsCount += usage.ObjectsCount
			clusterVersionsCount += usage.VersionsCount
			clusterDeleteMarkersCount += usage.DeleteMarkersCount
			for k, v := range usage.ObjectSizesHistogram {
				v1, ok := clusterObjectSizesHistogram[k]
				if !ok {
					clusterObjectSizesHistogram[k] = v
				} else {
					v1 += v
					clusterObjectSizesHistogram[k] = v1
				}
			}