5.1-RELEASE on a machine with 24MB RAM

Lowell Gilbert freebsd-questions-local at be-well.ilk.org
Wed Nov 19 06:52:11 PST 2003

Jan Stary <jsta6559 at artax.karlin.mff.cuni.cz> writes:

> I am running 5.1-RELEASE on a outdated machine - it's a Compaq
> Deskpro 2000, manufactured ~1995, with Pentium/100 and 24MB RAM.
> I made a 64MB swap partition.
> I wonder if there are any particular options (systcl vm.* ?) that
> I should be intersted in to get the best out of the machine.
> I did sysctl -ae | sed 's/^/#/' >> /etc/sysctl.conf and went
> through all of it, but the descriptions (sysctl -ad) didn't
> really tell me much. 
> The handbook advised me to put MAXUSERS 0 into kernconf, so that
> the systems puts a reasonable default value into kern.maxusers.
> Is there something more to tweak?
> Is there some documentation about running FreeBSD on a very
> lowmem machine? Some discussion of kern.maxusers?

That isn't *that* low memory a machine.  You may need to tune for
specific applications you want to run, but not in general.

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