NFS/FTP Performance measurement of Linux RH 5.1
 
							23 July 1998
							T. Ichihara
 
Preliminary

  Result Summary (file operation at Linux client)

  Operation    Media               Results
  -------------------------------------------------------
   NFS Read 1 (disk to disk)       6.8  -  7.6   MB/s (*1)
   NFS Read 2 (disk to memory)     7.6  -  8.4   MB/s (*1)
   NFS Write  (disk to disk)       0.32 -  0.68  MB/s
   ftp get    (memory to memory)   9.2  - 10.6   MB/s (*1)
   ftp put    (memory to memory)   7.0  -  8.0   MB/s
   netperf                65.36(TCP) 93.84(UDP)  Mbps


  (*1) Measured values of second or third copy operations. In this 
       case, (a part of) data may be cached at the server memory.


  Condition 

     Client
       Linux RH 5.1  Kernel 2.1.109, NFS V2.0   
       Hardware: Dual Pentium II at 400MHz, 256MB Memory(Dell Presision 410)
       3C905B-TX PCI Card (3C59x.c V0.99E option=4 (force 100BaseTX))

     Server
       Digital Unix 4.0D (500MHz Alpha, 320 MB Memory) 
       100BaseT Full Duplex, Seagete 9GB Ultra-wide disk

     Interconnection:  100BaseT Switch (CISCO 2916M)


  Detailed Result 

   NFS Read 1  (disk to disk) 

         copy file from NFS mounted disk to local disk
               7.2  MB/s at    2.1 MB file  (  0.27 sec)
               7.4  MB/s at    4.1 MB file  (  0.53 sec)
               7.4  MB/s at    8.2 MB file  (  1.06 sec)
               7.6  MB/s at   16.4 MB file  (  2.07 sec)
               7.6  MB/s at   32.8 MB file  (  4.13 sec)
               6.9  MB/s at   65.6 MB file  (  9.1  sec)
               7.0  MB/s at  131.3 MB file  ( 17.9  sec)
               6.5  MB/s at  262.7 MB file  ( 39.5  sec)
               6.2  MB/s at  525.3 MB file  ( 81.0  sec)
               6.8  MB/s at 1051.6 MB file  (147.7  sec)

    NFS Read 2   (disk to memory) 

         copy file from NFS mounted disk to local /dev/null
               7.8  MB/s at    2.1 MB file  (  0.25 sec)
               7.7  MB/s at    4.1 MB file  (  0.51 sec)
               7.6  MB/s at    8.2 MB file  (  1.03 sec)
               7.7  MB/s at   16.4 MB file  (  2.06 sec)
               8.0  MB/s at   32.8 MB file  (  3.91 sec)
               8.0  MB/s at   65.6 MB file  (  7.80 sec)
               7.3  MB/s at  131.3 MB file  ( 17.1  sec)
               7.5  MB/s at  262.7 MB file  ( 33.3  sec)
               8.0  MB/s at  525.3 MB file  ( 62.7  sec)
               8.4  MB/s at 1051.6 MB file  (119.9  sec)

    NFS Write  (disk to disk)

      copy file from local disk to NFS mounted disk
   
              0.32  MB/s at     2.05 MB file  (  6.53 sec)
              0.37  MB/s at     4.1 MB file  ( 11.20 sec)
              0.38  MB/s at     8.2 MB file  ( 21.30 sec)
              0.45  MB/s at    16.4 MB file  ( 36.32 sec)
              0.52  MB/s at    32.8 MB file  ( 63.44 sec)
              0.58  MB/s at    65.6 MB file  (113.6  sec)
              0.68  MB/s at   131.3 MB file  (191.8  sec)
              0.62  MB/s at   262.7 MB file  (422.5  sec)
              0.65  MB/s at   525.3 MB file  (807    sec)
              0.56  MB/s at 1051.6 MB file   (1779   sec) 

  ---------------------------------------------------------------------

     FTP get  (server (cache) file to local /dev/null) 

              10.6  MB/s  at   2.1 MB file  (  0.193 sec)
              10.5  MB/s at    4.1 MB file  (  0.370 sec)
              10.6  NB/s at    8.1 MB file  (  0.732 sec)
              10.8  MB/s at   16.4 MB file  (  1.45  sec)
               9.5  MB/s at   32.8 MB file  (  3.28  sec)
               9.2  MB/s at   65.6 MB file  (  6.81  sec)
               9.2  MB/s at  131.3 MB file  ( 13.6   sec)
               8.5  MB/s at  262.7 MB file  ( 29.6   sec)
              10.1  MB/s at  525.3 MB file  ( 49.6   sec)
               9.6  MB/s at 1051.6 MB file  (104     sec)
                   
      FTP put (local (cache) file to server /dev/null )

               7.6  MB/s  at   2.1 MB file  (  0.263 sec)
               7.0  MB/s at    4.1 MB file  (  0.561 sec)
               7.8  NB/s at    8.1 MB file  (  0.992 sec)
               7.7  MB/s at   16.4 MB file  (  2.02  sec)
               8.0  MB/s at   32.8 MB file  (  3.90  sec)
               8.0  MB/s at   65.6 MB file  (  7.87  sec)
               8.0  MB/s at  131.3 MB file  ( 15.6   sec)
               7.2  MB/s at  262.7 MB file  ( 34.6   sec)
               7.1  MB/s at  525.3 MB file  ( 71.0   sec)
               6.9  MB/s at 1051.6 MB file  (146     sec)           



Netperf

   from Linux Client to Server (alpha)

     netperf -H rikalp
     TCP STREAM TEST to rikalp
     Recv   Send    Send
     Socket Socket  Message  Elapsed
     Size   Size    Size     Time     Throughput
     bytes  bytes   bytes    secs.    10^6bits/sec

     32768  65535  65535    10.04      65.36



  NFS performance measurement

       NFS Server                     NFS Client
     +--------------------+         +------------------------+
     |  Digital Personal  |         |  Dell PC 410           |
     |  Work Station 500au|         |  Dual PentiumII 400MHz |
     |   320 MB memory    |         |   256 MB Memory        |
     | Digital Unix 4.0D  |         | RedHat Linux 5.1 /     |
     |                    |         | kermel 2.1.109         |
     +--------+-----------+         +--+---------------------+
              |                        |
              | 100BaseT               |3Com 3c905B-TX 
              | Full duplex            |100BaseTx (half duplex)
     +--------+------------------------+---------------------+
     |   CISCO 2916M XL  100BaseT/10BaseT Switch             +
     +-------------------------------------------------------+