Mailinglist Archive: opensuse (4288 mails)

[Teruel de Campo MD <chusty@xxxxxxxxxxxxx>]

On Sun, 2007-10-28 at 15:41 -0400, Nate Pearlstein wrote:
> Robert Lewis wrote:
> > On 10/28/07, Thomas Hertweck <Thomas.Hertweck@xxxxxx> wrote:
> >   
> > > Robert Lewis wrote:
> > >     
> > > > I helped a friend install 10.3 64-bit on his Q6600
> > > > machine that has 4-GB of ram yesterday.
> > > > Wow was the installation fast.
> > > >
> > > > SUSE setup a 2-GB swap space by default.
> > > >
> > > > We over road that and made it 4-GB.
> > > >       
> > > Why?
> > >
> > > If you really need that much virtual memory, you should upgrade
> > > your RAM. It doesn't make sense to have such huge swap partitions,
> > > your system will be unusable if you need 4 GB swap (well, sort of
> > > unusable). And if you really need it at some point, you can always
> > > make a swap file which is almost as fast as a swap partition.
> > >
> > > If you want to use suspend to disk, then of course your swap space
> > > should be large enough.
> > >
> > >     
> > > > Is this a bug/oversite or on purpose?
> > > >       
> > > Why should it be a bug? The times when swap partitions had to be
> > > as big (or bigger) as RAM size are long gone.
> > >
> > >     
> > > > If on purpose what is the logic behind that?
> > > >       
> > > There's no need for huge swap partitions unless you want to use
> > > suspend to disk. And that's unlikely for a machine that seems to
> > > be used as a server.
> > >
> > > Th.
> > > --
> > >     
> > The reason both of us did this is we came from a world in Linux where
> > one always made swap the size of RAM or larger to allow for later
> > ram expansion.  I agree swapping to a file is a good way to expand
> > swap down stream.   How did SUSE decide to set it to 2-GB and why?
> >
> > Is there any harm doing what we did?
> >   
> Read what Russel Cocker has to say at this link:
>
> http://etbe.coker.com.au/2007/09/28/swap-space/

OK,

1. If you have 2 or more GB o memory you do not need a RAM x 2 swapper
space

2. A swapper space of >2 GB is not need it.

3. If you want to use the swap for hibernation you need a swapper space
= RAM + video memory

These is all I got from this thread. 

Q: how do you setup hibernation to use the swap space? I have a thinkpad
x40 and x61

Thank you.

-=terry=-

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