FreeBSD 7.0-RC2 Available
Ian FREISLICH
ianf at clue.co.za
Wed Feb 13 08:34:14 UTC 2008
Eygene Ryabinkin wrote:
> Ian,
>
> Wed, Feb 13, 2008 at 09:59:09AM +0200, Ian FREISLICH wrote:
> > I selected auto defaults for the slice editor. The system I installed
> > (amd64) on has 16GB of RAM yet it only assigned 4GB for swap. I
> > remember reading that on amd64 minidumps could corrupt neighbouring
> > filesystems, so a full dump could be up to 16GB. There won't be
> > enough space for a full dump. That said, 16GB is quite a *lot* to
> > swap out and I'm not sure how the system would perform under that
> > scenario.
> >
> > What's the prevailing wisdom? Is this a variable storage type bug
> > in the installer - int in stead of an off_t or size_t?
>
> It is the limitation in the code, introduced in revision 1.111:
> http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.sbin/sysinstall/label.c.diff?r1=1.110;r2=1.111
> ----
> +/*
> + * Swap size limit for auto-partitioning (4G).
> + */
> +#define SWAP_AUTO_LIMIT_SIZE 4096
> -----
Thanks. That answers about half the question. Is there any sense
in making the swap partition bigger than that? When I started using
FreeBSD the rule of thumb was 2.1*physical RAM. I'm not sure that
holds true any more.
Ian
--
Ian Freislich
More information about the freebsd-current
mailing list