I'd guess the same thing may be the case for Nova/Swift/Keystone, but don't
quote me on that.

A.


On Fri, Aug 23, 2013 at 3:55 PM, Everett Toews
<[email protected]>wrote:

> TL;DR I've come to the same conclusion. BlobStore is the lynch pin right
> now.
>
> Here's what I've found. Improvements to the logic below is welcome.
>
> To unasync cloudservers we need to unasync openstack-common.
> If we unasync openstack-common, we need to unasync cloudfiles.
> If we unasync cloudfiles, we need to unasync BlobStore.
>
> If we can unasync cloudfiles, we can unasync openstack-keystone.
> (cloudfiles depends on both openstack-common and openstack-keystone)
> If we can unasync openstack-keystone, we can unasync the rest of the
> rackspace apis.
>
> If that's correct, unasyncing the BlobStore should unblock us for the rest
> of the unasync.
>
> Everett
>
> On Aug 22, 2013, at 1:19 PM, Andrew Gaul wrote:
>
> > I will look at this over the weekend.  Note that Blobstore has more
> > interesting uses of async due to clear container, multi-part upload, and
> > others.  Can we use some fake sameThreadExecutor shims to work around
> > keystone async in the short-term?
> >
> > On Thu, Aug 22, 2013 at 01:43:05PM -0400, Andrew Bayer wrote:
> >> I think all I need is someone who knows blobstore to get the blobstore
> >> abstraction able to support not having async - I can probably go nuts
> for a
> >> few days and get all the blobstore implementations de-asynced once the
> >> abstraction is ready.
> >>
> >> A.
> >>
> >>
> >> On Thu, Aug 22, 2013 at 1:17 PM, Andrew Gaul <[email protected]> wrote:
> >>
> >>> On Wed, Aug 21, 2013 at 09:40:06PM -0400, Andrew Bayer wrote:
> >>>> So most of the compute providers/APIs in core are now async-free on
> >>> master
> >>>> - the only exceptions I can think of off the top of my head are the
> >>> vcloud
> >>>> ones, the old rackspace ones, and the nova ones. The vcloud ones I'll
> get
> >>>> around to sometime in the next couple weeks - that's just a matter of
> >>>> gutting them out. But the rackspace/nova ones are a lot hairier.
> >>>>
> >>>> When I tried de-asyncing the cloudservers API, I found I had to
> de-async
> >>>> the keystone v1 API as well - and that can't actually go live until
> >>>> cloudfiles is able to de-async too. I haven't verified, but I'm pretty
> >>> sure
> >>>> it's the same situation for nova/keystone/swift. And cloudfiles/swift
> >>> can't
> >>>> de-async until blobstore itself supports non-async.
> >>>>
> >>>> So this brings up an important question. We're about 6 weeks from the
> >>>> target date for 1.7.0 - can we actually get the blobstore stuff
> >>> de-asynced
> >>>> by then? Or are we going to need to push the de-async completion back
> >>> 'til
> >>>> 1.7.1/2/3/whatever? How high a priority should this be?
> >>>
> >>> I prefer to keep the date for 1.7.0 above all; we have features waiting
> >>> for this release and we should not delay it.  Also, maintaining 1.6.x
> >>> will become increasingly difficult as the two branches diverge.
> >>> Blobstore can remain async in 1.7.0 and we can address this in 1.8.0
> >>> (1.7.x feels inappropriate).  However, we have so much progress on
> >>> de-async for compute, let's do the minimum work on cloudfiles/swift to
> >>> complete compute.  I will step up for some of this, however, I do not
> >>> understand how this interacts with some of the Swift rewrite work and
> >>> perhaps someone at Rackspace can explain this and help me out as well?
> >>>
> >>> --
> >>> Andrew Gaul
> >>> http://gaul.org/
> >>>
> >
> > --
> > Andrew Gaul
> > http://gaul.org/
>
>

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