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Date: Thu, 30 Aug 2007 17:53:59 +0100
From: Adam J Richardson <fatman@crackmonkey.us>
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To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: re(4) driver FreeBSD 6.2 problem
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Wojciech Puchar wrote:
> i have this on amd64 machine.
> 
> after booting mbufs are about 500.
> 
> after a day - 20000. everything else works.
> 
> is it OK?

Hi Wojciech,

This machine has a re interface. If you let me know how to measure 
mbufs, I can give you my reading. This system's been on all day.

This might be your explanation, if you are serving large and popular files:
http://unix.derkeiler.com/Mailing-Lists/FreeBSD/newbies/2004-11/0019.html

According to the post, you don't have to worry about mbufs.

HtH,
Adam J Richardson