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Date:      Sun, 21 May 2006 14:14:55 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Brett Glass <brett@lariat.net>
Cc:        stable@freebsd.org
Subject:   Re: 4.11 snapshots?
Message-ID:  <20060521181455.GB59697@xor.obsecurity.org>
In-Reply-To: <200605160135.TAA04838@lariat.net>
References:  <200605160135.TAA04838@lariat.net>

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On Mon, May 15, 2006 at 07:35:53PM -0600, Brett Glass wrote:
> Is there a server currently furnishing snapshots of the FreeBSD 4.11 security
> branch? We have some servers running various 4.x versions that might not be
> happy with 6.x due to memory requirements. They also might have slower file
> access (The file system in FreeBSD 6.x still isn't as snappy as the one
> in 4.x, though I hope this will change). So, we'd like to upgrade them to
> a patch level that includes all recent security fixes. Are ISOs available?

FYI, it is only soft updates (really bufdaemon, through which all the
I/O passes) that has performance problems under high load on 6.x
compared to 4.x.  Other mount modes perform quite a bit better
(e.g. 30% faster for async write performance) than 4.x on the hardware
I tested.

  http://people.freebsd.org/~kris/bsdcan/Filesystem%20Performance.pdf

Kris

P.S. Don't link to the above URL, I need to send it to Dan for
publication on the BSDCan site, to which you should link instead.


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