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Date:      Mon, 19 Sep 2011 17:23:30 +0200
From:      Patrick Proniewski <patpro@patpro.net>
To:        freebsd-performance@freebsd.org
Subject:   tuning advice
Message-ID:  <088E1AE3-AACB-4A59-A7D5-2B33C41DBBA5@patpro.net>

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Hello,

I bet you don't have this kind of request much. I need tuning advice, because my system doesn't use all it's RAM, and I feel like it's a shame.
I'm running FreeBSD 8.1-RELEASE #0 on a quad core Xeon E5450 (3GHz).
System sits on a 1TB drive. /, /tmp, /var are UFS, everything else is ZFS+compression.

The box has 16 GB RAM, but not fully used: http://patpro.net/images/mem_rack.png
Sysctl output is available at http://patpro.net/images/sysctl.txt

I've increased some values:

/etc/sysctl.conf 
kern.ipc.shmmax=536870912
kern.ipc.shmall=131072

The server is not heavily loaded, but any advice allowing me to benefit from the remaining RAM is welcome.

patpro
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