Help:      "Maximum replication link latency in milliseconds seen since server start",
		Type:      gaugeMetric,
	}
}

func getClusterRepLinkLatencyAvgMD() MetricDescription {
	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: replicationSubsystem,
		Name:      avgLinkLatency,
		Help:      "Average replication link latency in milliseconds",
		Type:      gaugeMetric,
	}
}

					// Log if we took a lot of time.
					logger.Info("Site replication healing refresh took %.2fs", took)
				}

				// wait for 200 millisecond, if we are experience lot of I/O
				waitForLowIO(runtime.GOMAXPROCS(0), 200*time.Millisecond, currentHTTPIO)
			}
			healTimer.Reset(siteHealTimeInterval)

		case <-ctx.Done():
			return
		}
	}
}

	go func() {
		<-ctx.Done()
		globalNotificationSys.ServiceFreeze(ctx, false)
	}()

	keepAliveTicker := time.NewTicker(500 * time.Millisecond)
	defer keepAliveTicker.Stop()

	enc := json.NewEncoder(w)
	ch := objectSpeedTest(ctx, speedTestOpts{
		objectSize:       size,
		concurrencyStart: concurrent,
		duration:         duration,