Re: [Debian-salsa-ci] ccache stats and performance evaluation (in CI contexts)

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El 09/10/25 a las 10:53, Joel Rosdahl escribi=F3:
> On Wed, Oct 8, 2025, at 18:38, Santiago Ruano Rinc=F3n via ccache wrote:
>=20
> > Would you mind enlighten us about: is it a good idea to also reset/zero
> > the stats between two different jobs?
>=20
> See the discussion in https://github.com/ccache/ccache/pull/1639 which le=
ad to
> this documentation improvement:
>=20
> https://github.com/ccache/ccache/commit/e799280a6fe403e9ef766c2343effaf44=
23da65a
>=20
> So yes, if you use ccache by downloading and uploading the whole cache fo=
r each build job =E0 la GitHub's or GitLab's caching mechanism then counter=
s are not tracking global usage of the cache anyway (and only one job acces=
ses the local cache at the same time) so using --zero-stats before the job =
is perfectly fine.
>=20
> Regards
> Joel

Thanks! That's very helpful.

And actually, my understand was that zeroing the stats would prevent
=66rom "tracking the entire lifetime of the cache", while comparing the
stats before and after the build. In any case, using stats logs seems to
be a better approach for I had in mind.

Cheers,

 -- Santiago

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