From: Konstantin Svist <kostya@relevad.com>
To: netfilter@lists.netfilter.org
Subject: Re: need advice for high traffic network
Date: Thu, 19 Jul 2007 16:17:20 -0700 [thread overview]
Message-ID: <469FF100.5020509@relevad.com> (raw)
In-Reply-To: <20070719225931.GA17114@internet24.de>
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.
next prev parent reply other threads:[~2007-07-19 23:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-19 22:17 need advice for high traffic network Konstantin Svist
2007-07-19 22:17 ` David Lang
2007-07-19 22:40 ` Konstantin Svist
2007-07-19 22:59 ` Thomas Jacob
2007-07-19 23:17 ` Konstantin Svist [this message]
2007-07-19 23:28 ` Thomas Jacob
2007-07-19 23:35 ` Konstantin Svist
2007-07-19 23:44 ` Thomas Jacob
2007-07-20 0:18 ` Konstantin Svist
2007-07-20 7:48 ` Thomas Jacob
2007-07-20 17:51 ` David Lang
2007-07-20 23:14 ` Thomas Jacob
2007-07-19 23:47 ` even hash tables sizes, FAQ entry Thomas Jacob
2007-07-20 0:13 ` David Lang
2007-07-20 7:41 ` Thomas Jacob
2007-07-20 17:44 ` David Lang
2007-07-20 17:50 ` Patrick McHardy
2007-07-20 18:08 ` David Lang
2007-07-21 3:44 ` Patrick McHardy
2007-08-06 18:50 ` need advice for high traffic network R. DuFresne
2007-07-19 22:49 ` Thomas Jacob
2007-07-19 22:53 ` Konstantin Svist
2007-07-19 23:16 ` David Lang
2007-07-20 14:16 ` Gregory Carter
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