[Mpi3-ft] Fault Tolerance (sub)Chapter or Tighter Integration

Toon Knapen toon.knapen at gmail.com
Wed Mar 2 09:53:41 CST 2011

(I'm just listening in on all conversations concerning FT because I need
this kind of functionality in my app but I'm not an expert, so I'll give you
my opinion from an average-user-pov)

I think it would be most clear and helpfull to have a seperate chapter on
all issues concerning FT. Nevertheless references to this chapter should be
integrated along the semantics throughout the whole standard.

Thus a central approach but with pointers to the 'central info' distributed
all over the standard.
On Tue, Mar 1, 2011 at 3:38 PM, Joshua Hursey <jjhursey at open-mpi.org> wrote:

> We start edging toward a final draft of the run-through stabilization
> proposal and embark on process recovery (TBA). As we do so, I wanted to
> start thinking about how we might integrate this language into the current
> MPI standard. A PDF version of the working proposal will make it easier for
> someone new to pick up and read exactly what we are going to add. This is in
> contrast to the mixture of notes and standard text that is currently on the
> wiki.
> In particular, should we:
>  A) Create an entirely new chapter on Fault Tolerance and Error Management.
> Pull in all existing section to a central location.
>  B) Add a section to the Environmental Management chapter on Fault
> Tolerance. Pull in relevant existing sections on error handling into this
> section.
>  C) Tightly integrate the semantics throughout the MPI standard (e.g., P2P
> semantics in the P2P chapter, Collective semantics in the Collectives
> chapter).
>  D) Something else...
> There are pros and cons to each. In essence the question is, should we move
> all the error management logic to a central location or keep it close to the
> actual functionality?
> What do folks think about this?
> -- Josh
> ------------------------------------
> Joshua Hursey
> Postdoctoral Research Associate
> Oak Ridge National Laboratory
> http://users.nccs.gov/~jjhursey
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> mpi3-ft at lists.mpi-forum.org
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