Re: NFLOG - missing packets?

[Pablo Neira Ayuso <pablo@netfilter.org>]

Eric Leblond wrote:
> Hello,
> 
> On Saturday, 2008 May 10 at 17:50:37 +0500, Anton wrote:
>> Something wrong quite definitelly,
>> in 700Mb of the data it logs only 43Mb 
> 
> I've done some test on my system and I've got similar results. Sole
> difference is the ratio between logged packets and unlogged packets. 
> 
> I've downloaded a 48Mo at a rate of 348.28K/s and I have the following
> result :
> Iptables : 33625 packets, 50383786 bits
> Ulogd2 : 33272 packets 49856076 bits
> 
> As usual, size does not matter. The problem is due to some packets not
> being loggued. It recall me results of Pablo's conntrackd benchmark.
> After a given rate, the netlink subsystem is not able to transmit
> messages.
> 
> IMHO, the main issue is that the lost (or the overrun) does not seem to be logged
> somewhere.

I'm finishing a patchset to improve this and other aspects of ulogd. 
I'll post them to the ML soon.

-- 
"Los honestos son inadaptados sociales" -- Les Luthiers