Re: [libvirt PATCH 0/4] ci: reduce number of jobs in the pipeline

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On Fri, May 27, 2022 at 10:06:16AM -0400, Daniel P. Berrangé wrote:
> Come June 1st (aka very very soon) GitLab will reduce the
> CI minutes quota available from 2000 to 400 for public
> projects.
>
> The wallclock minutes for CI are the quota divided by
> a cost factor currently 0.008. IOW, after June 1st
> our allowance reduces from 250,000 wallclock minutes
> to 50,000.
>
> While I had intended that we join the OSS program, I'm
> unhappy with the financial liability the T&Cs require
> us to agree to for tha
>
> Usage stats show we're currently consuming 70-80,000
> minutes a month, so we need to cut our usage by at
> least 30%.
>
> The main libvirt project is responsible for the vast
> majority of usage, so is the biggest quick win, but
> we need to economise across all our repos.
>
> With this series, we increase the number of jobs in
> the pipeline from 82 to 100, but we mark a great many
> of them as manual jobs, so they never run unless a
> user explicitly triggers them.
>
> So we have only 54 jobs executing instead of the
> original 82. The remaining 46 jobs are optional.
> This is a decent win in usage, but we probably need
> to cut a little more later to give us breathing space
>
> Daniel P. Berrangé (4):
>   ci: refresh with lcitool manifest
>   ci: disable native builds on certain distros
>   ci: move Ubuntu GCC santizers build to 20.04
>   ci: eliminate many cross arch CI builds

I'm not entirely convinced this is the exact set of trade-offs we
want, but the new limit is going to be active starting tomorrow so
it's probably a good idea to merge this right away and tweak things
further later, so

  Reviewed-by: Andrea Bolognani <abologna@xxxxxxxxxx>

Erik, are you okay with this plan? If so, we can push the patches.

-- 
Andrea Bolognani / Red Hat / Virtualization





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