poor performance on big machine
Francois Tigeot
ftigeot at wolfpond.org
Mon Jul 30 08:38:00 PDT 2007
On Mon, Jul 30, 2007 at 04:58:46PM +0200, Simon 'corecode' Schubert wrote:
> Matthew Dillon wrote:
> > Is the machine swapping? Look at the SWAP PAGER stats with systat -vm
> > 1.
>
> I did not configure a swap partition, if that's sufficient information.
> The box has 4GB RAM (which seem not to be completely usable, the kernel
> writes at bootup something like 512MB above 4GB ignored).
Some devices need to be mapped to the first 4GB of address space. You will
need a 64-bit kernel to be able to use all your memory...
--
Francois Tigeot, Zefyris
http://www.zefyris.com/
Phone: +33 (0) 160 924 244
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