[RFC][PATCH 1/4] checkpoint-restart: general infrastructure

Dave Hansen dave at linux.vnet.ibm.com
Fri Aug 8 17:43:34 PDT 2008

On Sat, 2008-08-09 at 00:39 +0200, Arnd Bergmann wrote:
> The main problem I see with that would be atomicity: If you want multiple
> processes to keep interacting with each other, you need to save them at
> the same point in time, which gets harder as you split your interface into
> more than a single file descriptor.

It could take ages to write out a checkpoint even to a single fd, so I
suspect we'd have the exact same kinds of issues either way.

-- Dave

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