Messages in this thread | | | Subject | Re: [PATCH 00/29] Swap over NFS -v15 | From | Peter Zijlstra <> | Date | Thu, 20 Dec 2007 09:00:04 +0100 |
| |
On Wed, 2007-12-19 at 17:22 -0500, Bill Davidsen wrote: > Peter Zijlstra wrote: > > Hi, > > > > Another posting of the full swap over NFS series. > > > > Andrew/Linus, could we start thinking of sticking this in -mm? > > > > Two questions: > 1 - what is the memory use impact on the system which don't do swap over > NFS, such as embedded systems, and
It should have little to no impact if not used.
> 2 - what is the advantage of this code over the two existing network > swap approaches,
> swapping to NFS mounted file and
This is not actually possible with a recent kernel, current swapfile support requires a blockdevice.
> swap to NBD device?
> I've used the NFS file when a program was running out of memory and that > seemed to work, people in UNYUUG have reported that the nbd swap works, > so what's better here?
swap over NBD works sometimes, its rather easy to deadlock, and its impossible to recover from a broken connection. [unhandled content-type:application/pgp-signature]
| |