On Sat, 17 Jul 1999, Matthew Dillon wrote:
> : Hmmm, how did you do the measurement and how big of a file does it
> :need?
> :
> : With a 122MByte file, it only does 2644Kbytes/sec. This is
> :between two Pentium II 450 machines with Intel Pro100+ NICs.
>
> 2.6 MB/sec is what I would expect if you were running the test
> over an ssh link on a fast cpu - the encryption eats a lot of cpu. But
> a normal rcp or ftp or data transfer can easily do 9-10 MBytes/sec.
That was actually done with ftp between two machines connected
Full Duplex to a Cisco Catalyst 2924XL switch.
> This is over 100BaseTX, *HALF* duplex running through a hub. 9.9
> MBytes/sec.
> (using 1 MByte = 1000 * 1000).
>
> But if I use ssh instead, which I do only so I remember to turn off
> the shell service in my inetd.conf that I just turned on a moment ago,
> I am limited by apollo's poor PPro-200 and get:
>
> test3:/root# ssh apollo -n "dd if=/images/swap/swap.209.157.86.6 bs=16k" >
> /dev/null
> 8192+0 records in
> 8192+0 records out
> 134217728 bytes transferred in 96.545217 secs (1390206 bytes/sec)
> test3:/root#
Interesting...
Cheers,
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