r := &netperfReader{eof: make(chan struct{})}
	r.buf = make([]byte, 128*humanize.KiByte)
	rand.Read(r.buf)

	clusterInfos, err := globalSiteReplicationSys.GetClusterInfo(ctx)
	if err != nil {
		return madmin.SiteNetPerfNodeResult{Error: err.Error()}
	}

	// Scale the number of connections from 32 -> 4 from small to large clusters.