Messages in this thread | | | From | Con Kolivas <> | Subject | Re: _High_ CPU usage while routing (mostly) small UDP packets | Date | Tue, 07 Dec 2004 10:56:58 +1100 |
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Karsten Desler writes:
> * David S. Miller wrote: >> It's spending nearly half of it's time in iptables. >> Try to consolidate your rules if possible. This is the >> part of netfilter that really doesn't scale well at all. >> > > Removing the iptables rules helps reducing the load a little, but the > majority of time is still spent somewhere else.
I had a similar scenario recently with a very low spec box and found it to be the QoS. Disabling traffic shaping and removing the QoS modules made it much faster. I don't know if you're using them but it's worth pointing out.
Cheers, Con
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