Re: SCP file transfer speed

[mlelstv%serpens.de@localhost (Michael van Elst)]

stephanwib%googlemail.com@localhost (Stephan) writes:

>UDP, however, does not work out of the box. It continuously displays
>these errors:

>sendto(): No buffer space available

udp does work this way. UDP has no flow control, the sender can
produce faster than the network hardware can send it out. You
need to throttle the sender. 


>This might be tweakable through sysctl, but is however irrelevant in
>this case. During an (uncompressed) scp copy, CPU usage on the 
>receiver side is largely below 10 % and disk utilization about 50%
>(which makes me wonder because this disk can make about 100MB/s on
>sequential write). I can copy to other Linux and Solaris boxes in this
>network with about 10 - 11 MB/s from the NetBSD boxes - just receiving
>is slow.

Are you sure that this always uses the same cipher?


-- 
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."