Re: connlimit performance

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On Tuesday 2013-01-15 07:32, 叶雨飞 wrote:

>Hi,
>
>Is anyone here have experience on connnlimit performance?   I am
>trying to use it to limit connection per dest IP (about 1K of them )
>on a 100Mbps firewall.  (without only about 70k connections) and as
>soon as put this rule in, cpu usage sky raise.


connlimit uses a fixed hash table of 256 buckets and thus a lot less 
optimal than hashlimit's default table-size of 4096 buckets (assuming 
a machine with >= 1 GB RAM and 64-bit kernel).
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