Re: High Network Perfomance

On Fri, Aug 5, 2011 at 7:31 PM, Luigi Rizzo <rizzo_at_iet.unipi.it> wrote:

> On Fri, Aug 05, 2011 at 04:07:22PM -0300, Victor Detoni wrote:
> > Hi Luigi,
> >
> > Thanks for reply. That's great solution :) Will be integrated with pf or
> is
> > it?
>
> unfortunately i don't have the time to do it, but as said
> in the thread it should not be terribly difficult.
>

The demo image has a modified click.... is there a diff for click
itself.....


> cheers
> luigi
>
> > Thanks,
> > Victor
> >
> > On Thu, Aug 4, 2011 at 9:27 PM, Luigi Rizzo <rizzo_at_iet.unipi.it> wrote:
> >
> > > On Thu, Aug 04, 2011 at 08:39:17PM -0300, Victor Detoni wrote:
> > > > Hi Guys,
> > > >
> > > > I'm trying tunning a FreeBSD 8.2 to high perfomance network with pf.
> My
> > > > server configuration is:
> > > >
> > > > Dell 1950
> > > > CPU: Intel(R) Xeon(R) CPU            5130  _at_ 2.00GHz (1995.03-MHz
> > > K8-class
> > > > CPU)
> > > > 4 x CPU
> > > > 2 NIC (<Broadcom NetXtreme II BCM5708 1000Base-T)
> > > > 1 NIC (em0: <Intel(R) PRO/1000 Network Connection 7.1.9>)
> > > >
> > > > I want to reach the high processing of packets per second and use pf
> as
> > > > synproxy and we still processor to handle others packets or flows.
> > > >
> > > > I know that em drivers has MULTI_QUEUE implementation that helps high
> > > > performance for Intel drivers, but I couldn't see more information
> about.
> > > We
> > > > can reached 500k pps, but no more traffic was processed by this
> > > interface.
> > > >
> > > > I've already enabled net.isr.direct but with Intel Drivers does not
> work
> > > and
> > > > the most processors are in System instead of Interrupts, why? When I
> > > enable
> > > > net.isr.direct the processing is balanced for on CPU in system and
> > > another
> > > > in interrupt and I reached 1M pps, but the total perfomance is down,
> the
> > > > load grow up too fast.
> > > >
> > > > I've changed some parameter in sysctl for intel drivers, but it
> doesn't
> > > have
> > > > effect.
> > > >
> > > > Someone know what I can do to reach more packets performance? I want
> to
> > > use
> > > > this FreeBSD as a router/firewall only.
> > >
> > > if you feel like doing a bit of coding yourself, you could try netmap
> > >
> > > http://info.iet.unipi.it/~luigi/netmap/
> > >
> > > cheers
> > > luigi
> > >
> > > > Thanks,
> > > > Victor
> > > > _______________________________________________
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> > >
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