linux on big memory

[Net Llama!]

On Wed, 12 Mar 2003, David A. Bandel wrote:
> On Tue, 11 Mar 2003 19:37:41 -0800
> "Net Llama!" <netllama at linux-sxs.org> wrote:
>
> > does anyone have any experience running linux on big memory
> > configurations (greater than 4GB)?  i'm going to need to upgrade a box
> >
> > to 8GB in the near future, and i was wondering if there were any
> > special
> >   considerations (other than builing a kernel with bigmem support)?
>
> I have one client running Oracle on a big SMP system.  It really is just
> configuring for 64Mb support.  If free says you only have 3Mb or some
> such, then you don't have 64Mb support turned on.
>
> Now, depending on what you're running on that monster, you may need to
> tweak some kernel parameters in /proc (I had to for my client).  But
> things like that come in the instructions with those programs (like
> Oracle) needing it.  (I also had to adjust the user environment on login
> too.)

thanks for your reply.

it will be running three oracle 9i instances, and about 35-40 user mode
linux instances.  AFAIK, the kernel /proc parameters that oracle requires
are the same regardless of the amount of physical memory in the box.  what
other changes did you make?

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman				netllama at linux-sxs.org
Linux Step-by-step & TyGeMo		     http://netllama.ipfox.com