[ovs-dev] OVN - Pluggable Distributed DB Infrastructure for OVSDB

[Kyle Mestery]

On Tue, Jun 30, 2015 at 2:35 PM, Russell Bryant <rbryant at redhat.com> wrote:

> On 06/30/2015 04:42 AM, Gal Sagie wrote:
> > Hi Justin,
> >
> > The idea was not to choose one database implementation over the other,
> > but design things in such a way
> > that its pluggable, so in terms of OVN, switching between
> > implementations is transparent (as much as possible)
> >
> > I think that different setups can have different scale criteria and
> > might need different DB solutions.
> >
> > I think the IDL library (the python and C implementations) will be
> > rather easy to adjust as OVSDB have clear API
> >
> > So doing this work now, we can easily change and experiments with
> > different DB solutions
>
> Ben and Justin have made a pretty good case that this is a premature
> since we really haven't done much real testing to see how ovsdb-server
> scales.  This could potentially be a pretty big distraction and I'm not
> sure it's worth it.  I don't think adding this later will be
> significantly more difficult than it is today if it's needed.
>
> If someone wants to do some experimentation in the short term, it's
> certainly possible.  There is an API generated from the ovsdb schema
> that you could re-implement.
>
> It might be better time spent to think about OVN testing and how we can
> do good, reproducible scale tests.  Ben has done some awesome work here,
> but it seems we may need to a multi-node environment since at some point
> it sounds like the number of processes on a single host becomes a
> problem in the simulated test env.
>
>
+1

Thanks for taking the time to answer this one everyone, and I agree with
Russell that it makes more sense to do this later down the road rather than
distract things at the moment.

Thanks,
Kyle


> --
> Russell Bryant
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