[Gllug] SWAP over NFS

Pete Ryland pdr at pdr.cx
Wed Apr 9 09:26:38 UTC 2003


On Wed, Apr 09, 2003 at 09:33:16AM +0100, Tethys wrote:
> James Bromberger writes:
> >I would think of a simple way to do it: mount a partition, make a file,
> >and then mount that via loopback (perhaps)? Sure, slow, but then again,
> >this is (a) NFS, and (b) Swap, so having a loopback in there probably
> >isnt going to be that big a percentage hinderance.
> 
> But that wouldn't work on a diskless workstation... In general, your
> capacity planning should come up with a suitable amount of memory to
> put on each workstation so that it doesn't swap. But what if it runs
> out of memory? It's usually better to swap over NFS, no matter how
> slow and potentially unreliable it may be, rather than to just OOM.

Since swap is limited too, I don't see how this is better.  I'd much rather
a program just fail to load than have it load in 10 minutes and take away
any idea of getting any work done.

Pete
-- 
Pete Ryland
http://pdr.cx/

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