APIStats: st.totalS34xxErrors.Load(toLowerKeys),
	}
	serverStats.TotalS35xxErrors = ServerHTTPAPIStats{
		APIStats: st.totalS35xxErrors.Load(toLowerKeys),
	}
	serverStats.TotalS3Canceled = ServerHTTPAPIStats{
		APIStats: st.totalS3Canceled.Load(toLowerKeys),
	}
	return serverStats
}

// Update statistics from http request and response data
func (st *HTTPStats) updateStats(api string, w *xhttp.ResponseRecorder) {

	TotalS35xxErrors       ServerHTTPAPIStats `json:"totalS35xxErrors"`
	TotalS34xxErrors       ServerHTTPAPIStats `json:"totalS34xxErrors"`
	TotalS3Canceled        ServerHTTPAPIStats `json:"totalS3Canceled"`
	TotalS3RejectedAuth    uint64             `json:"totalS3RejectedAuth"`
	TotalS3RejectedTime    uint64             `json:"totalS3RejectedTime"`

	}
	for name, value := range httpStats.TotalS34xxErrors.APIStats {
		m.Set(apiRequests4xxErrorsTotal, float64(value), "name", name, "type", "s3")
	}
	for name, value := range httpStats.TotalS3Canceled.APIStats {
		m.Set(apiRequestsCanceledTotal, float64(value), "name", name, "type", "s3")
	}
	return nil
}

// loadAPIRequestsTTFBMetrics - loads S3 TTFB metrics.
//
// This is a `MetricsLoaderFn`.

				"Total number of s3 errors in current MinIO server instance",
				[]string{"api"}, nil),
			prometheus.CounterValue,
			float64(value),
			api,
		)
	}

	for api, value := range httpStats.TotalS3Canceled.APIStats {
		ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName(s3Namespace, "canceled", "total"),
				"Total number of client canceled s3 request in current MinIO server instance",

					Description:    getS3Requests4xxErrorsMD(),
					Value:          float64(value),
					VariableLabels: map[string]string{"api": api},
				})
			}
			for api, value := range httpStats.TotalS3Canceled.APIStats {
				metrics = append(metrics, MetricV2{
					Description:    getS3RequestsCanceledMD(),
					Value:          float64(value),
					VariableLabels: map[string]string{"api": api},
				})
			}