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Date: Sat, 2 Nov 2002 10:03:03 -0800 (PST)
From: Galen Sampson <galen_sampson@yahoo.com>
Subject: Re: crash with network load (in tcp syncache ?)
To: Terry Lambert <tlambert2@mindspring.com>
Cc: current@freebsd.org
In-Reply-To: <3DC3ABA0.97988F96@mindspring.com>
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Hi

--- Terry Lambert <tlambert2@mindspring.com> wrote:
> With proper tuning, and some minor patches, 7000/second isn't hard
> to get.
> 
> If you add the Duke University version of the Rice University patches
> for LRP, modify the mbuf allocator for static freelisting and then
> pre-populate it, and tune the kernel properly, you should be able to
> get over 20,000 connections per second.  The best I've managed with a
> modified FreeBSD 4.2, before the SYN-cache code, was 32,000/second.

Out of pure curiosity what is the reason that the Duke and Rice patches were
never incorporated into the base system.  If it really enables the same machine
to provide 4 times the number of connections this seems like it would be a
useful thing to include.

regards,
Galen Sampson

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