Re: Plain 2.4.5 VM...

["Jakob Østergaard" <jakob@unthought.net>]

On Tue, May 29, 2001 at 01:46:28PM +0900, G. Hugh Song wrote:
> Jakob,
> 
> My Alpha has 2GB of physical memory.  In this case how much swap space
> should
> I assign in these days of kernel 2.4.*?  I had had trouble with 1GB of
> swap space
> before switching back to 2.2.20pre2aa1.

If you run a single mingetty and bash session, you need no swap.

If you run four 1GB processes concurrently, I would use ~5-6G of swap to be on
the safe side.

Swap is very cheap, even if measured in gigabytes. Go with the sum of the
largest process foot-prints you can imagine running on your system, and then
add some. Be generous.  It's not like unused swap space is going to slow the
system down - it's a nice extra little safety to have.   It's beyond me why
anyone would run a system with marginal swap.

On a compile box here with 392 MB physical, I have 900 MB swap. This
accomodates multiple concurrent 100-300 MB compile jobs.   Never had a problem.
Oh, and I didn't have to change my swap setup between 2.2 and 2.4.

-- 
................................................................
:   jakob@unthought.net   : And I see the elder races,         :
:.........................: putrid forms of man                :
:   Jakob Østergaard      : See him rise and claim the earth,  :
:        OZ9ABN           : his downfall is at hand.           :
:.........................:............{Konkhra}...............: