[openstack-dev] [all] Switching to longer development cycles
clint at fewbar.com
Thu Dec 14 11:15:52 UTC 2017
I think this is in-line with my earlier points. Projects started later,
with clear API definitions, are easier to run on whatever version you
need. They don't dig in under the hood the way Neutron/Nova/Cinder do
because of their shared history.
It also helps that they don't require a bunch of patches out-of-tree to
scale. Luckily, I'm told neither does Nova anymore, so maybe this will
get more natural.. well.. naturally.
Excerpts from Blair Bethwaite's message of 2017-12-14 18:39:33 +1100:
> The former - we're running Cells so only have a single region currently
> (except for Swift where we have multiple proxy endpoints around the
> country, all backed by a global cluster, but they have to be different
> regions to put them all in the service catalog). See
> https://trello.com/b/9fkuT1eU/nectar-openstack-versions for the current
> version snapshot.
> On 14 Dec. 2017 18:00, "Clint Byrum" <clint at fewbar.com> wrote:
> > Excerpts from Blair Bethwaite's message of 2017-12-14 17:44:53 +1100:
> > > On 14 December 2017 at 17:36, Clint Byrum <clint at fewbar.com> wrote:
> > > > The batch size for "upgrade the whole cloud" is too big. Let's help our
> > > > users advance components one at a time, and then we won't have to worry
> > > > so much about doing the whole integrated release dance so often.
> > >
> > > Is there any data about how operators approach this currently? Nectar
> > > (and I presume other large and/or loosely coordinated OpenStack
> > > clouds) has been running different projects across multiple versions
> > > for quite a while, sometimes 3 or 4 different versions. Coordinating
> > > upgrades in a federated cloud with distributed operations requires
> > > that we do this, e.g., our current Nova Newton upgrade has probably
> > > been in-train for a couple of months now.
> > >
> > That's interesting. Can you share what you mean by running 3 or 4
> > different versions?
> > Do you mean you mix versions in a single region, like, Pike keystone,
> > Ocata Nova, and Newton Neutron? Or do you mean you might have a region
> > running Pike, and another running Ocata, and another running Newton?
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