netdev - Re: TCP stack optimization for high number of connections [OT]

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Message-ID: <2c0942db0803150932s6e654e28g5255ac7af451741b@mail.gmail.com>
Date:	Sat, 15 Mar 2008 09:32:16 -0700
From:	"Ray Lee" <ray-lk@...rabbit.org>
To:	"Marc Perkel" <mperkel@...oo.com>, Netdev <netdev@...r.kernel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: TCP stack optimization for high number of connections [OT]

(CC:netdev added.)

On Sat, Mar 15, 2008 at 8:47 AM, Marc Perkel <mperkel@...oo.com> wrote:
> I'm running a front end spam filtering service and I
>  get a lot of incoming connections but not a lot of
>  volume of traffic. I'm experiencing some high loads
>  and I think it might be related to the volume of
>  connections it's processing. I often will be connected
>  to 2500 email servers at once and a lot more that are
>  trying to connect and being denied.
>
>  My question - are there any optimizations I can do to
>  make the TCP faster for high number of short lived
>  connections?
>
>  Also - how much do iptable entries slow things down
>  and is there any optimizations for that?
>
>
>  Marc Perkel
>  Junk Email Filter dot com
>  http://www.junkemailfilter.com
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