Re: [Xen-devel] Criteria / validation proposal: drop Xen

[Adam Williamson <adamwill@xxxxxxxxxxxxxxxxx>]

On Thu, 2019-07-11 at 09:57 -0500, Doug Goldstein wrote:
> On 7/8/19 11:11 AM, Adam Williamson wrote:
> > On Tue, 2019-05-21 at 11:14 -0700, Adam Williamson wrote:
> > > > > > > "The release must boot successfully as Xen DomU with releases 
> > > > > > > providing
> > > > > > > a functional, supported Xen Dom0 and widely used cloud providers
> > > > > > > utilizing Xen."
> > > > > > > 
> > > > > > > and change the 'milestone' for the test case -
> > > > > > > https://fedoraproject.org/wiki/QA:Testcase_Boot_Methods_Xen_Para_Virt
> > > > > > >  -
> > > > > > > from Final to Optional.
> > > > > > > 
> > > > > > > Thoughts? Comments? Thanks!
> > > > > > I would prefer for it to remain as it is.
> > > > > This is only practical if it's going to be tested, and tested 
> > > > > regularly
> > > > > - not *only* on the final release candidate, right before we sign off
> > > > > on the release. It needs to be tested regularly throughout the release
> > > > > cycle, on the composes that are "nominated for testing".
> > > > Would the proposal above work for you? I think it satisfies what you are
> > > > looking for. We would also have someone who monitors these test results
> > > > pro-actively.
> > > In theory, yeah, but given the history here I'm somewhat sceptical. I'd
> > > also say we still haven't really got a convincing case for why we
> > > should continue to block the release (at least in theory) on Fedora
> > > working in Xen when we don't block on any other virt stack apart from
> > > our 'official' one, and we don't block on all sorts of other stuff we'd
> > > "like to have working" either. Regardless of the testing issues, I'd
> > > like to see that too if we're going to keep blocking on Xen...
> > So, this died here. As things stand: I proposed removing the Xen
> > criterion, Lars opposed, we discussed the testing situation a bit, and
> > I said overall I'm still inclined to remove the criterion because
> > there's no clear justification for it for Fedora any more. Xen working
> > (or rather, Fedora working on Xen) is just not a key requirement for
> > Fedora at present, AFAICS.
> > 
> > It's worth noting that at least part of the justification for the
> > criterion in the first place was that Amazon was using Xen for EC2, but
> > that is no longer the case, most if not all EC2 instance types no
> > longer use Xen. Another consideration is that there was a time when KVM
> > was still pretty new stuff and VirtualBox was not as popular as it is
> > now, and Xen was still widely used for general hobbyist virtualization
> > purposes; I don't believe that's really the case any more.
> 
> So I'll just point out this is false. Amazon very much uses Xen still 
> and is investing in Xen still. In fact I'm writing this email from the 
> XenSummit where Amazon is currently discussing their future development 
> efforts for the Xen Project.

Sorry about that, it was just based on my best efforts at trying to
figure it out; Amazon instance types don't all explicitly state exactly
how they work.

Which EC2 instance types still use Xen?
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net
http://www.happyassassin.net


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