const (
	authTotal         MetricName = "auth_total"
	canceledTotal     MetricName = "canceled_total"
	errorsTotal       MetricName = "errors_total"
	headerTotal       MetricName = "header_total"
	healTotal         MetricName = "heal_total"
	hitsTotal         MetricName = "hits_total"
	inflightTotal     MetricName = "inflight_total"
	invalidTotal      MetricName = "invalid_total"
	limitTotal        MetricName = "limit_total"

		} else {
			atomic.AddUint64(&v.RmvTagFailedTotal, 1)
			atomic.AddUint64(&p.srProxyStats.RmvTagFailedTotal, 1)
		}
	case headObjectAPI:
		if !isErr {
			atomic.AddUint64(&v.HeadTotal, 1)
			atomic.AddUint64(&p.srProxyStats.HeadTotal, 1)
		} else {
			atomic.AddUint64(&v.HeadFailedTotal, 1)
			atomic.AddUint64(&p.srProxyStats.HeadFailedTotal, 1)
		}
	case getObjectAPI:
		if !isErr {

					m.Set(bucketReplProxiedHeadRequestsFailures, float64(s.ProxyStats.HeadFailedTotal), labels...)
					m.Set(bucketReplProxiedHeadRequestsTotal, float64(s.ProxyStats.HeadTotal), labels...)
					m.Set(bucketReplProxiedPutTaggingRequestsFailures, float64(s.ProxyStats.PutTagFailedTotal), labels...)
					m.Set(bucketReplProxiedPutTaggingRequestsTotal, float64(s.ProxyStats.PutTagTotal), labels...)