[CRIU] Live migration of LXC containers using Criu?

[Divjyot sethi]

Thanks for the information Tycho! Also a quick question: are you by any
chance aware of any container setup which supports pre-copy based live
migration? I need such a setup for a project I am working on...

Best,
Divjyot

On Wed, Apr 8, 2015 at 2:51 PM, Tycho Andersen <tycho.andersen at canonical.com
> wrote:

> On Wed, Apr 08, 2015 at 02:48:23PM -0700, Divjyot sethi wrote:
> > Hey Tycho,
> > Thanks for your quick response on this! I read through the article - very
> > helpful. I have a follow up question. Is this live migration pre-copy
> (i.e.
> > speculatively copying out memory to reduce the freeze time of
> application)?
> > Or is it just suspend-resume done potentially over a network?
>
> The latter. The intent is to introduce p.haul support which will do
> more intelligent migration throughout the stack. You can see bits of
> it present in LXD already, but I haven't gotten as far as actually
> getting it to work yet.
>
> Tycho
>
> > Thanks,
> > Divjyot
> >
> > On Wed, Apr 8, 2015 at 2:37 PM, Tycho Andersen <
> tycho.andersen at canonical.com
> > > wrote:
> >
> > > Hello,
> > >
> > > On Wed, Apr 08, 2015 at 02:28:17PM -0700, Divjyot sethi wrote:
> > > > Hello,
> > > > I am looking for a setup for live migrating containers (with
> pre-copy)
> > > > which leverages Criu. I know that this was under development last
> year -
> > > I
> > > > wanted to ask if the current release supports live migration of lxc
> > > > containers? If not, are there any other containers which can be live
> > > > migrated using Criu? Please let me know...
> > >
> > > Yes, lxc supports this via `lxc-checkpoint`, and lxd support was
> > > recently added via `lxc move`:
> > >
> > > http://tycho.ws/blog/2015/04/lxd-live-migration.html
> > >
> > > Tycho
> > >
> > > > Thanks,
> > > > Divjyot
> > >
> > > > _______________________________________________
> > > > CRIU mailing list
> > > > CRIU at openvz.org
> > > > https://lists.openvz.org/mailman/listinfo/criu
> > >
> > >
>
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