res := make([]*MetricV2, 0, len(resourceMetricsGroups))
	populateAndPublish(resourceMetricsGroups, func(m MetricV2) bool {
		if m.VariableLabels == nil {
			m.VariableLabels = make(map[string]string, 1)
		}
		m.VariableLabels[serverName] = globalLocalNodeName
		res = append(res, &m)
		return true
	})
	return aoMetricsGroup.NewWith(res), nil
}

		metrics = append(metrics, MetricV2{
			Description:    tierRequestsSuccessMD,
			Value:          float64(stat.success),
			VariableLabels: map[string]string{"tier": tier},
		})
		metrics = append(metrics, MetricV2{
			Description:    tierRequestsFailureMD,
			Value:          float64(stat.failure),
			VariableLabels: map[string]string{"tier": tier},
		})
	}
	return metrics
}