usageBucketObjectVersionCountDistribution,
		"Bucket object version count distribution", "range", "bucket")
)

// loadClusterUsageBucketMetrics - `MetricsLoaderFn` to load bucket usage metrics.
func loadClusterUsageBucketMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	dataUsageInfo, err := c.dataUsageInfo.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return nil
	}

			usageBucketVersionsCountMD,
			usageBucketDeleteMarkersCountMD,
			usageBucketQuotaTotalBytesMD,
			usageBucketObjectSizeDistributionMD,
			usageBucketObjectVersionCountDistributionMD,
		},
		loadClusterUsageBucketMetrics,
	)

	clusterErasureSetMG := NewMetricsGroup(clusterErasureSetCollectorPath,
		[]MetricDescriptor{
			erasureSetOverallWriteQuorumMD,
			erasureSetOverallHealthMD,
			erasureSetReadQuorumMD,