[CRIU] post-dump / pre-restore scripts

[Radostin Stoyanov]

On 11/10/2019 14:24, Eliot Moss wrote:
> Dear CRIU-ers --
>
> I am interested in periodically taking a snapshot of a collection of
> running processes that use pipes and FIFOs to communicate with each
> other, and that are creating large traces files as output.  My goal
> is to be able to restart after a system failure or shutdown.
>
> From my reading of the documentation, I will need to record current
> position in the output trace files using a post-dump action script,
> and truncate the files back to those positions in a corresponding
> pre-restore script.
>
> It would be very helpful to see an example of such a script.  The
> documentation is (ahem) a bit minimal on how to accomplish this
> presumably straightforward intent.  Can someone help me out on this?
>

A simple example of such script is

https://github.com/checkpoint-restore/criu/blob/criu-dev/scripts/fake-restore.sh

> Regards - Eliot Moss
> Professor, Information and Computer Sciences
> Univ of Massachusetts Amherst
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