PR merged, CI is now using arm for the majority of jobs + versioned labels

first results look promising!

-mbien

On 10/23/26 21:05, Michael Bien wrote:
> Hi,
>
> tldr: switching from ubuntu-latest to ubuntu-26.04-arm or ubuntu-26.04
> will make things go faster
>
>
> github CI is close to unuseable right now with ~7h queue times. Some of
> us did some investigating by crawling the API across all ASF projects
> and one finding was that a suspiciously low number of nodes was actually
> active while the queue was growing. After some testing it turned it this
> wasn't linked to the most plausible causes (number of physical boxes of
> a certain arch) but far more mundane: Concurrency limits are enforced by
> label... and ubuntu-latest is the label everyone is using.
>
> So switching from ubuntu-latest to ubuntu-26.04 (which is the same
> image) would be like another queue opening up at the grocery store.
> Anticipating that everyone is going to switch lanes now, i would suggest
> to switch most jobs to arm and leave the rest on x64. I hoped tactical
> waiting would pay off by not switching but it isn't working.
>
> I tested arm before for other reasons:
> https://github.com/apache/netbeans/pull/9615
>
> best regards,
>
> michael


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