Swap over the network?

Donald Becker becker at scyld.com
Mon Oct 1 12:13:29 EDT 2001


On Mon, 1 Oct 2001, Mark Hahn wrote:
> > "Cabaniols, Sebastien" <Sebastien.Cabaniols at compaq.com>
> > Do you know if it is currently possible to have diskless nodes
> > having their swap over the network ?
>
> omitting swap is usually a bad idea, since various revisions of the VM
> have been unstable in the absence of swap - they used swapcache 
> allocation as a book-keeping aid, and didn't necessarily generate 
> any swap *traffic*.

I believe that you are referring to the 2.4 kernels with the reference
to kernels that are unstable without swap.  The 2.2 kernels perform
better with even a little bit of swap, but they don't require swap space.


Donald Becker				becker at scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993


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