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 {

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,