Re: s390x builder outage

On Fri, May 8, 2026 at 5:59 AM Peter Robinson <[email protected]> wrote:
>
> On Thu, 7 May 2026 at 18:20, Adam Williamson <[email protected]> wrote:
> >
> > On Thu, 2026-05-07 at 13:38 +0200, Peter Lemenkov wrote:
> > > Hans, thanks for raising this question once again. Today I again asked
> > > myself why s390x (the past) is even a primary architecture while
> > > RISC-V (the future) is not?
> >
> > s390x is not "the past". It may be unfashionable, but a lot of people
> > still run stuff on mainframes and will continue to do so for the
> > foreseeable future. It's a live, actively developed arch.
> >
> > Yes, there are specific problems with the IBM/RH backing for s390x in
> > Fedora which, if not resolved, may form a reasonable argument for
> > dropping/downgrading it in Fedora. But calling it "the past" is just
> > off.
>
> I agree with Adam here, and frankly the issue here isn't anything to
> do with the s390x builders as an architecture, it seems whoever runs
> the RH infrastructure (outside of the Fedora team's control) hasn't
> been monitoring the storage array or the support contract for the 3rd
> party who provides monitoring has failed,  so I don't think the
> discussion of the architecture is the problem here but the complete
> and utter failure of RH/IBM to run proper infrastructure. I have no
> doubt it's affecting other builders internally as well. I look forward
> to the RCA.
>

So Michel did some excellent work to quantify exactly *how* poor the
performance is for s390x relative to other architectures. As of last
month, s390x is orders of magnitude worse than the next bad one
(ppc64le): https://forge.fedoraproject.org/packaging/koji-lag-metrics/src/branch/main/reports/monthly/2026/07/report.txt

Myself, Fabio, Maxwell, and Michel are prepared to propose the total
removal of s390x support in the Fedora Project (affecting all targets)
for Fedora 46 if there isn't progress improving performance and
capacity by the end of the year.

We have already conveyed this to Red Hat during the last leadership
call, so they are aware of the clock ticking too.



-- 
真実はいつも一つ！/ Always, there's only one truth!
-- 
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