Re: fedora 14 kernel performance with ip forwarding workload

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On Wed, 6 Apr 2011, Eric Dumazet wrote:

> Le mercredi 06 avril 2011 Ã 13:29 -0700, David Miller a Ãcrit :
> > From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> > Date: Wed, 06 Apr 2011 22:18:56 +0200
> > 
> > > I remember last time I work on a fedora kernel, it had conntrack enabled
> > > 
> > > And yes, conntrack can really slowdown a router, because of default
> > > parameters.
> > 
> > Yes, if conntrack is enabled performance will indeed tank.
> 
> I just check on latest fedora14 (yum updated) :
> 
> - conntrack is statically included in kernel, you cannot remove it.
> 
> 
> Hmm...

Thanks for the replies, 
Yes indeed, I bet that conntrack was the item that caused the grief I saw.  
In fact turning off CONFIG_NETFILTER disables conntrack and solved my 
problem. :-)

Now the question is how to get the netfiltery/conntracky goodness without 
impacting those who want to go fast, maybe without a helmet.
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