}

	globalNetPerfRX.Reset()
	return madmin.NetperfNodeResult{Endpoint: "", TX: r.n / uint64(duration.Seconds()), RX: uint64(rx / delta.Seconds()), Error: errStr}
}

func siteNetperf(ctx context.Context, duration time.Duration) madmin.SiteNetPerfNodeResult {
	r := &netperfReader{eof: make(chan struct{})}
	r.buf = make([]byte, 128*humanize.KiByte)
	rand.Read(r.buf)

	durationStr := r.Form.Get(peerRESTDuration)
	duration, _ := time.ParseDuration(durationStr)
	if duration < globalNetPerfMinDuration {
		duration = globalNetPerfMinDuration
	}
	result := siteNetperf(r.Context(), duration)
	adminLogIf(r.Context(), gob.NewEncoder(w).Encode(result))

	infos, err := globalSiteReplicationSys.GetClusterInfo(ctx)
	if err != nil {
		return results, err
	}
	var wg sync.WaitGroup
	var resultsMu sync.RWMutex
	for _, info := range infos.Sites {
		// will call siteNetperf, means call others's adminAPISiteReplicationDevNull
		if globalDeploymentID() == info.DeploymentID {
			wg.Add(1)
			go func() {
				defer wg.Done()
				result := madmin.SiteNetPerfNodeResult{}