From: Thomas Jacob <jacob@internet24.de>
To: netfilter@lists.netfilter.org
Subject: Re: need advice for high traffic network
Date: Fri, 20 Jul 2007 00:59:31 +0200 [thread overview]
Message-ID: <20070719225931.GA17114@internet24.de> (raw)
In-Reply-To: <469FE85B.3010502@relevad.com>
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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.
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next prev parent reply other threads:[~2007-07-19 22:59 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 [this message]
2007-07-19 23:17 ` Konstantin Svist
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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