netisr issues

[Sami Halabi]

Hi,
is there any decent documentation what netisr is , what relevant
sysctls/loader options are there, and in what cases it should/better be
used, ie best practice?

Thanks,
Sami


On Mon, Mar 11, 2013 at 6:48 PM, Freddie Cash <fjwcash at gmail.com> wrote:

> On Mon, Mar 11, 2013 at 9:40 AM, Mark Saad <nonesuch at longcount.org> wrote:
>
> > Freddie
> >    So should I be adjusting the numbers of threads or is this
> > determined somewhere ?
> >
> > I think it's supposed to be automatic, 1 thread per CPU, but I manually
> set it  via /boot/loader.conf:
> net.isr.bindthreads="1"                         # Bind netisr threads to
> CPU cores
> net.isr.maxthreads="8"                          # Set number of threads to
> number of CPU cores
> net.isr.numthreads="8"                          #    ""
>
> The net.isr.dispatch is automatically set to direct on our systems.  Not
> sure if that's the default or not.  We used to set that via
> /boot/loader.conf as well, but it was removed in the upgrade to 9-STABLE
> something as it no longer did anything.
>
> --
> Freddie Cash
> fjwcash at gmail.com
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-- 
Sami Halabi
Information Systems Engineer
NMS Projects Expert
FreeBSD SysAdmin Expert