Subject Re: [firebird-support] Linux performance
Author Steve Wiser
Yeah we saw the same thing with some of our Cisco gear. The
auto-negotiation was just detecting the settings incorrectly and 1 side
was operating at full-duplex, the other at half-duplex. We had to
manually set both ends to full-duplex in our case.


Alexandre Benson Smith wrote:
> Lester Caine wrote:
> > Where do I go next to speed up the Linux network side of things?
> These are
> > both AMD64 machines with 2Gb RAM so they should be faster than the
> windows
> > boxes by a long way?
> >
> Lester,
> Just a shot in the dark.
> Once upon a time ago, I was experiencing a very slow gbak process when I
> run gbak on my machine and the database on a server in my lan, If I run
> gbak directly on the server the speed diference is huge (a small
> diference I expected because of the lan trafic).
> Nigel suggested me to turn off the auto negotiation link speedy on my
> windows box and try to force it manually.
> First I tried 100mpbs/full duplex the speed was slow too
> then I tried 100mpbs/half duplex the speed was increased a *lot*
> My switch is 100mpbs/full duplex, I dont know why it is slow than half
> duplex, but something is wrong with full duplex.
> Give it a try.
> see you !
> --
> Alexandre Benson Smith
> Development
> THOR Software e Comercial Ltda
> Santo Andre - Sao Paulo - Brazil