swap space

Kris Kennaway kris at obsecurity.org
Tue May 3 14:07:50 PDT 2005


On Tue, May 03, 2005 at 03:02:11PM -0600, Chad Leigh -- Shire.Net LLC wrote:
> 
> On May 3, 2005, at 2:45 PM, Kris Kennaway wrote:
> >Since it's a pain to add swap later you want to make
> >allowances for future expansion (e.g. you'd need 32GB of swap if you
> >ever plan to add 32GB of RAM).
> 
> I understand that people recommend as much swap as you have ram or  
> more.  However, is this required and why?  I have a dual opteron  
> system running i386 5.3-release (with released patches) and it has  
> 4GB RAM and only 2GB of swap, which is hardly ever touched, and when  
> it is, just in small amounts.
> 
> Why is this a problem?  (If it ever needs the 2gb of swap I am in  
> trouble as the load at that time would be sky high and the machine  
> not really responsive anyway)

I explained in my email..you need it to dump the kernel.

Kris
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