Quoting Yaron (jethro at freakzilla.com):
>   Hi,
> 
> On Wed, 14 Mar 2001, Timothy Wilson wrote:
> 
> > What's the rule of thumb these days on swap partition size on a machine with
> > a lot of RAM? Specifically, how much swap on a server with 640 MB?
> 
> I still go with 1.8 * Physical RAM. Or not. I regard that as the Rule Of
> Thumb but I always ignore it...

I go 2 * RAM for swap. 
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