Re: ixg(4) performances

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Mon, Jul 07, 2014 at 08:19:57AM +0000, Emmanuel Dreyfus wrote:
> On Sun, Jul 06, 2014 at 11:44:58PM -0400, Thor Lancelot Simon wrote:
> > As a first step, ensure your socket buffer sizes are adequate.  The default,
> > and default maximum, socket buffer sizes in NetBSD are inappropriate for
> > 10Gb unless you are using hundreds of TCP conections at once.
> 
> What is an adequate value? I tried raising up this without much improvemet:

Try raising the default socket buffer size, not the maximum size for the
autotuning code -- starting from 32k it will take _forever_ to get to 1MB
by autotuning.

Thor