var nf int64 // Size of fragment
		holeStart, holeEnd := sr.sp[0].Offset, sr.sp[0].endOffset()
		if sr.pos < holeStart { // In a data fragment
			nf = holeStart - sr.pos
			nf, err = io.CopyN(ws, sr.fr, nf)
		} else { // In a hole fragment
			nf = holeEnd - sr.pos
			if sr.physicalRemaining() == 0 {
				writeLastByte = true
				nf--
			}
			_, err = ws.Seek(nf, io.SeekCurrent)
		}

	ctx := r.Context()

	globalSiteNetPerfRX.Connect()
	defer globalSiteNetPerfRX.Disconnect()

	connectTime := time.Now()
	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		atomic.AddUint64(&globalSiteNetPerfRX.RX, uint64(n))
		if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {

		return
	}

	globalNetPerfRX.Connect()
	defer globalNetPerfRX.Disconnect()

	connectTime := time.Now()
	ctx := newContext(r, w, "DevNull")
	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		atomic.AddUint64(&globalNetPerfRX.RX, uint64(n))
		if err != nil && err != io.EOF {

					}
					fanOutEntries = append(fanOutEntries, m)
				}
				part.Close()
				continue
			}

			buf := bytebufferpool.Get()
			// value, store as string in memory
			n, err := io.CopyN(buf, part, maxMemoryBytes+1)
			value := buf.String()
			buf.Reset()
			bytebufferpool.Put(buf)
			part.Close()

			if err != nil && err != io.EOF {

	ctx, cancel := context.WithTimeout(ctx, madmin.MaxClientPerfTimeout)
	defer cancel()
	totalRx := int64(0)
	connectTime := time.Now()
	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
			// would mean the network is not stable. Logging here will help in debugging network issues.