func getClusterUsageDeleteMarkersTotalMD() MetricDescription {
	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: usageSubsystem,
		Name:      deleteMarkerTotal,
		Help:      "Total number of delete markers in a cluster",
		Type:      gaugeMetric,
	}
}

func getBucketUsageObjectsTotalMD() MetricDescription {
	return MetricDescription{
		Namespace: bucketMetricNamespace,
		Subsystem: usageSubsystem,

			ondiskTimestamp, err := time.Parse(time.RFC3339, tagTmStr)
			if err == nil {
				dstOpts.Internal.TaggingTimestamp = ondiskTimestamp
			}
		}
		if retTmStr, ok := objInfo.UserDefined[ReservedMetadataPrefixLower+ObjectLockRetentionTimestamp]; ok {
			ondiskTimestamp, err := time.Parse(time.RFC3339, retTmStr)
			if err == nil {

          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{bucket}}",
          "refId": "A"
        }
      ],
      "title": "Delete Markers Increase Rate",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "Prometheus"
      },
      "fieldConfig": {
        "defaults": {