Swap Question

Joseph C. Lininger jbahm at pcdesk.net
Mon Jan 7 08:47:52 EST 2008

Hash: SHA512

Hello Steve,
I realize that machines are coming with larger amounts of RAM. The thing
is, applications require more now than they used to. This isn't as true
of console apps as it is of GUI applications, but it is true to an
extent. Also, if you want to use a hibernation solution of some sort,
(machine saves memory to disk and then shuts down) you will need at
least a swap space equal to that of your ram. I personally still
allocate double my RAM size, at least on machines having a gb or less. I
also do it on machines that are likely to use a lot of memory, like
machines with GUI components or server systems. It doesn't hurt anything
with the cost of disk space being so low. At a minimum, you should make
a swap partition or swap file that is at least equal to the size of your

Steve Holmes wrote:
> Hey, the swap question has come up for me now as I will probably be
> rebuilding my Linux environment.  The old days with small memory, it
> was recommended to have a swap something like twice the system
> memory.  But with larger systems, that seems less valid as I've been
> hearing.  I have 2 GB of main system memory and when I include the
> high-memory option in the kernel, I get all of it available to me.
> With 2 gigs, would it be necessary to have any swap at all? I mean,
> with this big a machine, could I go and install Linux and not have a
> swap at all? I will probably be doing Slackware again do to my
> familiarity with it.  When I looked briefly at Debian the other day,
> it appeared to me that the installer would insist on building a swap
> partition regardless of my memory size.
> I'm just wondering if anyone has some ideas on this topic.  Thanks.

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