Re: [RFC] VM: I have a dream...

From: Denis Vlasenko
Date: Thu Jan 26 2006 - 10:12:43 EST


On Thursday 26 January 2006 00:27, Nix wrote:
> On 23 Jan 2006, Diego Calleja wrote:
> > El Mon, 23 Jan 2006 09:05:41 -0600,
> > Ram Gupta <ram.gupta5@xxxxxxxxx> escribió:
> >
> >> Linux also supports multiple swap files . But these are more
> >
> > There're in fact a "dynamic swap" tool which apparently
> > does what mac os x do: http://dynswapd.sourceforge.net/
> >
> > However, I doubt the approach is really useful. If you need that much
> > swap space, you're going well beyond the capabilities of the machine.
>
> Well, to some extent it depends on your access patterns. The backup
> program I use (`dar') is an enormous memory hog: it happily eats 5Gb on
> my main fileserver (an UltraSPARC, so compiling it 64-bit does away with
> address space sizing problems). That machine has only 512Mb RAM, so
> you'd expect the thing would be swapping to death; but the backup
> program's locality of reference is sufficiently good that it doesn't
> swap much at all (and that in one tight lump at the end).

Totally insane proggie.
--
vda
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