[openstack-dev] [all] Proposal: Architecture Working Group

Clint Byrum clint at fewbar.com
Thu Jun 30 16:02:27 UTC 2016


Excerpts from Mike Perez's message of 2016-06-30 07:50:42 -0700:
> On 11:31 Jun 20, Clint Byrum wrote:
> > Excerpts from Joshua Harlow's message of 2016-06-17 15:33:25 -0700:
> > > Thanks for getting this started Clint,
> > > 
> > > I'm happy and excited to be involved in helping try to guide the whole 
> > > ecosystem together (it's also why I like being in oslo) to a 
> > > architecture that is more cohesive (and is more of something that we can 
> > > say to our current or future children that we were all involved and 
> > > proud to be involved in creating/maturing...).
> > > 
> > > At a start, for said first meeting, any kind of agenda come to mind, or 
> > > will it be more a informal gathering to start (either is fine with me)?
> > > 
> > 
> > I've been hesitant to fill this in too much as I'm still forming the
> > idea, but here are the items I think are most compelling to begin with:
> > 
> > * DLM's across OpenStack -- This is already under way[1], but it seems to
> >   have fizzled out. IMO that is because there's no working group who
> >   owns it. We need to actually write some plans.
> 
> Not meaning to nitpick, but I don't think this is a compelling reason for the
> architecture working group. We need a group that wants to spend time on
> reviewing the drivers being proposed. This is like saying we need the
> architecture working group because no working group is actively reshaping quotas
> cross-project. 
> 

That sounds like a reasoned deep argument, not a nitpick, so thank you
for making it.

However, I don't think lack of drivers is standing in the way of a DLM
effort. It is a lack of coordination. There was a race to the finish line
to make Consul and etcd drivers, but then, like the fish in finding Nemo,
the drivers are in bags floating in the bay.. now what?

Nobody owns this effort. Everybody gets busy. Nothing gets done. We
continue to bring it up in the hallway and wish we had time.

This is just a place to have a meeting and some people who get together
and say "hey is that done yet? Do you need help? is that still a
priority?". Could we do this as part of Oslo? Yes! But, I want this to
be about going one step higher, and actually taking the implementations
into the respective projects.

> With that said, I can see the architecture working group providing information
> on to a group actually reviewing/writing drivers for DLM and saying "Doing
> mutexes with the mysql driver is crazy, I brought it in a environment and have
> such information to support that it is not reliable". THAT is useful and I
> don't feel like people do enough of.
> 

Ugh, no, I don't want it to be a group of information providers. I'm
not talking about an Architecture Review Board.

It's a group for doers. People who design together, and build with
others. The DLM spec process was actually one of the reasons I wanted
to create this group. We did such a great job on the design side, but
we didn't really stick together on it and push it all the way through.
This group is my idea of how we stick together and complete work like
that.

> My point is call your working group whatever you want (The Purple Parrots), and
> just go spearhead DLM, but don't make it about one of the most compelling
> reasons for the existence of this group.
> 

The Purple Parrots is already taken -- it's my new band. We're playing
at the house of blues on August 3rd.



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