From: Henning Brauer (lists-openbsdbsws.de)
Date: Mon Sep 20 2010 - 20:04:21 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

* Stuart Henderson <stuspacehopper.org> [2010-09-21 00:47]:
> On 2010-09-20, Andre Keller <aklist.ak.cx> wrote:
> > We did some tuning (mostly with informations from:
> > https://calomel.org/network_performance.html) and could improve the
> > performance:
>
> grr, that page again.
>
> "As a very general rule, using the on-board network card is going
> to be much slower than an add in PCI card"
>
> "A gigabit network controller built on board using the CPU will
> slow the entire system down. More than likely the system will not
> even be able to sustain 100MB speeds while also pegging the CPU at
> 100%."
>
> and people still use it for kernel tuning advice?

holy shit.
that is indeed horribly wrong. in many cases it is the exact opposite
of the truth these days.

> > sysctl net.inet.tcp.recvspace=262144
> > sysctl net.inet.tcp.sendspace=262144
> > sysctl net.inet.udp.recvspace=262144
> > sysctl net.inet.udp.sendspace=262144
> the net.inet.*space values HAVE NO EFFECT on routed packets.

as said a gazillion times.

--
Henning Brauer, hbbsws.de, henningopenbsd.org
BS Web Services, http://bsws.de
Full-Service ISP - Secure Hosting, Mail and DNS Services
Dedicated Servers, Rootservers, Application Hosting

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]