* Steve Johnson <maillist@sjohnson.info> [2008-05-11 19:08]:
quoted text
> Henning Brauer wrote:
>>
>> congestion in what sense? the congestion counter increasing? this isnot 
>> necessarily a problem, it just must not grow fast. andof course you want 
>> to bump your ipintrq length.
>>   
> Yes, the congestion counter is what I meant. It's increasing at around 7/s 
> when the traffic we send it now is at peak time, which is about 40% of our 
> total traffic that we will be sending to that box. The 
> net.inet.ip.ifq.drops counter is increasing at a length of 100/s right now, 
> but I'm not at that peak time either. Having those counters at that level 
> seemed pretty high to me, but is it the case? Or out of 35-60K packets per 
> seconds it's a number that I should not worry about?

nothing you HAVE to worry about.

quoted text
> As for the ipintrq length, I've tried different values between 1000-3000 
> and values between those didn't seem to affect the rate of the PF 
> congestion counter.

I'm not sure how many packets your cards can put into ipintrq in one 
int. 3000 might still be not enough. watch net.inet.ip.ifq.*, 
especially len. teh question is wether you see bursts or constant 
pressure.


-- 
Henning Brauer, hb@bsws.de, henning@openbsd.org
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