Date: Fri, 30 May 2008 00:46:56 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Dinesh Nair <dinesh@alphaque.com> Cc: freebsd-hackers@FreeBSD.org, Adrian Thearle <adrian@thearle.com.au> Subject: Re: Maximum memory allocation per process Message-ID: <20080530074656.GA27066@eos.sc1.parodius.com> In-Reply-To: <20080530135814.390321ee@prophet.alphaque.com> References: <48356E75.1050105@thearle.com.au> <20080522133819.GA45578@eos.sc1.parodius.com> <20080530135814.390321ee@prophet.alphaque.com>
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On Fri, May 30, 2008 at 01:58:14PM +0800, Dinesh Nair wrote: > On Thu, 22 May 2008 06:38:19 -0700, Jeremy Chadwick wrote: > > You need to modify some kernel settings via /boot/loader.conf and > > reboot. Here's what we use on our production RELENG_6 and RELENG_7 > > boxes: > > > > # Increase maximum allocatable memory on a process to 2GB. > > # (We don't choose 3GB (our max RAM) since that would > > # exhaust all memory, and result in a kernel panic.) > > # Set default memory size as 768MB. > > # Maximum stack size is 256MB. > > # > > kern.maxdsiz="2048M" > > kern.dfldsiz="768M" > > kern.maxssiz="256MB" > > for those of us who're booting off a stripped down freebsd and are not > using the 4th routines, are the above to be set before 'load /kernel' or > after 'load /kernel' ? > > currently, loader.rc contains, > > --- cut here --- > set console=comconsole > set hw.ata.atapi_dma="0" > set hw.ata.ata_dma="0" > set hw.ata.wc="0" > load /kernel > load -t mfs_root /mfsroot > boot > --- cut here --- I believe these would either need to be set *before* loading the kernel, or, possibly it doesn't matter at all (they might be passed to the kernel itself during "boot"). -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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