On Tue, Dec 10, 2024 at 10:48 PM Kevin Fenzi <ke...@scrye.com> wrote:
>
> Hey folks. I know many people have run into slowdowns on s390x builds of
> late. There's 2 changes that hopefully will help that out:
>
> 1. I setup a 'ci' koji channel and restricted the number of s390x
> builders in that channel. That should keep more builders open for
> regular builds. Of course on the other side, it means ci jobs may take
> longer. :(
>
> 2. We asked for some more resources and got some. Unfortunately, no more
> cpus, but we got more memory and disk space on our s390x hypervisor.
> So, I added 7 more buildvm's there, each with 2 vcpus. That means it is
> currently oversubscribed (the old ones have 3 vcpus each), but I will
> move them to 2 cpus over time. That does mean some builds might be
> slower, but the majority of the builds will get to a builder faster and
> get processed instead of waiting for long running builds.
>
> Do let us know how it looks after this change.

I've done a number of builds since this change was deployed - s390x
was often no longer the slowest architecture, and wait times for
getting a builder assigned have basically dropped to zero (similar to
the other architectures). So I'd say that this has definitely helped,
thank you!

Fabio
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