var ml []MetricV2
		// common operational metrics for bucket replication and site replication - published
		// at cluster level
		if rStats := globalReplicationStats.Load(); rStats != nil {
			qs := rStats.getNodeQueueStatsSummary()
			activeWorkersCount := MetricV2{
				Description: getClusterReplActiveWorkersCountMD(),
			}
			avgActiveWorkersCount := MetricV2{
				Description: getClusterReplAvgActiveWorkersCountMD(),
			}