Re: Serious doubts about Gitlab CI

[Thomas Huth]

On 19/03/2021 13.07, Markus Armbruster wrote:
> Andrew Jones <drjones@redhat.com> writes:
>
> > On Fri, Mar 19, 2021 at 09:33:43AM +0000, Stefan Hajnoczi wrote:
> > > On Thu, Mar 18, 2021 at 09:30:41PM +0100, Paolo Bonzini wrote:
> > > > On 18/03/21 20:46, Stefan Hajnoczi wrote:
> > > > > The QEMU Project has 50,000 minutes of GitLab CI quota. Let's enable
> > > > > GitLab Merge Requests so that anyone can submit a merge request and get
> > > > > CI coverage.
> > > >
> > > > Each merge request consumes about 2500.  That won't last long.
> > >
> > > Yikes, that is 41 hours per CI run. I wonder if GitLab's CI minutes are
> > > on slow machines or if we'll hit the same issue with dedicated runners.
> > > It seems like CI optimization will be necessary...
> >
> > We need to reduce the amount of CI we do, not only because we can't afford
> > it, but because it's wasteful. I hate to think of all the kWhs spent
> > testing the exact same code in the exact same way, since everyone runs
> > everything with a simple 'git push'.
>
> I normally refrain from posting +1s, but I feel this message really
> needs "plussing": right you are!  This kind of wastefulness has bothered
> me a lot.

Patches for a more intelligent CI setup are certainly welcome!

 Thomas