From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konstantin Svist <kostya@relevad.com>
Subject: Re: need advice for high traffic network
Date: Thu, 19 Jul 2007 16:17:20 -0700
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How do I reduce those timers?


Thomas Jacob wrote:
> On Thu, Jul 19, 2007 at 03:40:27PM -0700, Konstantin Svist wrote:
>   
>> # cat /proc/sys/net/netfilter/nf_conntrack_max
>> 65536
>>
>> somehow I doubt I have THAT many connections :)
>>
>> highest load right now is around 600 requests per second, and ~60% 
>> complete within 10ms - the rest complete within 200ms (unless the 
>> firewall is turned on - then some start timing out 3s and up)
>>     
>
> 600s * 120s ip_conntrack_tcp_timeout_time_wait = 72000 entries
>
> ( =>  http://www.isi.edu/touch/pubs/infocomm99/infocomm99-web/ )
>
> You might want to try to reduce those timers or just push
> up your hash bucket = max entry values to maybe twice that.