Hi Pushpendra,
DMTCP ensures a consistent state of the distributed computations by the
means of a centralized coordinator and network draining. You can find more
information in this paper: http://dmtcp.sourceforge.net/papers/dmtcp.pdf.
Please let me know if you need any more information.
Kapil
On Thu, Nov 13, 2014 at 12:09 AM, Pushpendra Singh <[email protected]>
wrote:
> Dear DMTCP team,
>
>
>
> Greetings! We are trying to use DMTCP for our work in coordinated
> checkpointing. I have few queries in this regard with respect to
> distributed applications (where multiple processes running on separate
> nodes are communicating with each other and failure of any node means that
> all nodes need to be restarted from the last checkpoint):
>
>
>
> 1. Does DMTCP checkpoints ensure consistent state, i.e. there are
> no orphan messages?
>
> 2. If yes to the previous question then what is the underlying
> algorithm for coordinated checkpointing in DMTCP? A link to corresponding
> research paper will help.
>
> 3. If not then how can I integrate my “coordinated chekcpointing”
> algorithm within DMTCP i.e. using DMTCP for mainly storing the checkpoint
> while my algorithm ensures consistency.
>
>
>
>
>
> Thanks.
>
>
>
> Best,
>
> Pushpendra
>
> [image: logo]
>
> http://www.iiitd.edu.in/~pushpendra/
>
>
>
>
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