[CRIU] Post-Copy Live Migration in PHaul

[Mike Rapoport]

Hello,

On Wed, Nov 29, 2017 at 02:51:45PM -0600, John Goen wrote:
> Hello,
> 
> I'm a master's student with my thesis focus in container live migration and
> I've been interested in utilizing the new feature in CRIU for post-copy
> migration.
> 
> I noticed that the PHaul documentation on the wiki states that only
> pre-copy migration is supported currently (and the source code also seems
> to reflect this), so I was looking to add post-copy support to PHaul and
> test it against other container migration solutions like IBM's Voyager
> http://www.cs.toronto.edu/~sahil/suneja-icdcs17.pdf
> 
> I have two main questions:
> 
> 1. Is this already in-progress or implemented?

As far as I know there is no implementation of post-copy in PHaul.

> 2. If not, are there any recommendations for where to start?

First of all, you may want to look at CRIU wiki [1].
Adrian added post-copy migration to runc [2] and it might be a useful
reference.
 
> Apologies if this is the wrong place for this, and thank you for your time.

This is the right place :)
 
> Best,
> John Goen

[1] https://criu.org/Lazy_migration
[2] http://rhelblog.redhat.com/2016/12/08/container-live-migration-using-runc-and-criu/

-- 
Sincerely yours,
Mike.