On Wed, Feb 22, 2023 at 08:12:01PM +0000, Mattia Verga via devel wrote:
> So, does that mean that every time a compose is performed pungi
> downloads all RPMs tagged with a specific tag in a directory and then it
> operates on those to create repository metadata? Or it just downloads
> the rpms headers, or whatever?

Yes. It downloads them all, because it needs the ones signed with the
specific keys in it's config. It can optionally however look at a
previous config and decide that nothing changed in koji so it can reuse
them, but in practice I think this doesn't happen much.

> Can we have a persistent compose root directory as base, then download
> the latest builds (if newer), do the pruning "based on something",
> create the repo and save the state as the base for the next run? Or will
> that eat way too much disk space? On the other hand we could save
> bandwith because we would not download all the rpms which were not
> updated from the previous run... what's more valuable for our
> infrastructure, disk space or network bandwith usage?

Definitely disk space is more important right now. 

kevin

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