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Subject: Re: [OMPI devel] CRIU checkpoint support in Open-MPI?
From: Josh Hursey (jjhursey_at_[hidden])
Date: 2012-12-11 11:25:27


+1 I would be interested in seeing support for this in Open MPI.

On Thu, Dec 6, 2012 at 8:14 AM, George Bosilca <bosilca_at_[hidden]> wrote:

> Samuel,
>
> Yes, all contributions are welcomed. It should be almost trivial to write
> a new backend in Open MPI to support what the kernel developers will agree
> to add as C/R capabilities. A good starting point to look at are the
> existing modules in opal/mca/crs.
>
> george.
>
>
> On Dec 6, 2012, at 03:56 , Christopher Samuel <samuel_at_[hidden]>
> wrote:
>
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi folks,
> >
> > I don't know if people have seen that the Linux kernel community is
> > following its own different checkpoint/restart path to those currently
> > supported by OMPI, namely that of the OpenVZ developers
> > "checkpoint/restore in user space" project (CRIU).
> >
> > You can read more about its current state here:
> >
> > https://lwn.net/Articles/525675/
> >
> > The CRIU website is here:
> >
> > http://criu.org/
> >
> > CRIU will also be up for discussion at LCA2013 in Canberra this year
> > (though I won't be there):
> >
> > http://linux.conf.au/schedule/30116/view_talk?day=thursday
> >
> > Is there interest from OMPI in supporting this, given it looks like
> > it's quite likely to make it into the mainline kernel?
> >
> > Or is better to wait for it to be merged, and then take a look?
> >
> > All the best,
> > Chris
> > - --
> > Christopher Samuel Senior Systems Administrator
> > VLSCI - Victorian Life Sciences Computation Initiative
> > Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
> > http://www.vlsci.org.au/ http://twitter.com/vlsci
> >
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>
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-- 
Joshua Hursey
Assistant Professor of Computer Science
University of Wisconsin-La Crosse
http://cs.uwlax.edu/~jjhursey