Re: A possible idea for Linux: Save running programs to disk

[Benoit Boissinot <bboissin@gmail.com>]

On 10/2/05, lokum spand <lokumsspand@hotmail.com> wrote:
> >From: Michael Concannon <mike@concannon.net>
> >To: Arjan van de Ven <arjan@infradead.org>
> >CC: lokum spand <lokumsspand@hotmail.com>, linux-kernel@vger.kernel.org
> >Subject: Re: A possible idea for Linux: Save running programs to disk
> >Date: Sat, 01 Oct 2005 18:21:37 -0400
> >
> >Arjan van de Ven wrote:
> >
> >>there is a LOT of state though.. the moment you add networking in the
> >>picture the amount of state just isn't funny anymore. Your X example is
> >>a good one as well...
> >>
> >>
> >There are a few cluster/parallel computing libraries out there that are
> >starting to allow "process migration"...
> >
> >One would assume that "saving it to a disk" is simply a degenerate case of
> >migrating the process...
> >
> >Presuming they have process migration working (and it seemed close a while
> >ago when I last looked), saving to a file might already be supported...
> >I'd google "process migration" and you are likely to find a lot of
> >discussion on this topic...
> >
> >/mike
> >
> >
>
> In fact moving processes from one machine to another would be a brilliant
> feature at my work, since we run fairly large and time-consuming simulations
> on electronic circuits. If the kernel could natively support bouncing jobs
> back and forth, that would really be something. Since we simulate with
> proprietary software, I suppose we can't rely on the simulator being
> rewritten to support such special libraries.
>
> Does any other Unix variant have process bouncing already?
>
You can have a look at kerrighed or openssi. They have modified
kernels who features process migration (and checkpointing for
kerrighed).

regards,

Benoit
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