Re: Small rant: installer environment size

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On Sun, 2022-12-11 at 13:31 +0000, Zbigniew Jędrzejewski-Szmek wrote:
> > > 
> > > We had some discussions on this a few years ago, but this never went anywhere.
> > > (I did a quick search, but can't find the ticket now.)  But the idea was that
> > > dnf would load "main" metadata by default, and then load "filepath" metadata
> > > if needed and restart the transaction. Our Packaging Guidelines forbid filepath
> > > dependencies (except for a small set of directories which are in the "main" part),
> > > so normal rpm transactions don't need the "filepath" metadata. It is only
> > > needed for non-confirming rpms and when the user does something like
> > > 'dnf install /some/strange/path'.
> > 
> > AIUI this is already a part of dnf5.
> 
> I would love to hear more about this.
> 
> A quick test suggests that on F37 dnf5 at least downloads the same metadata that dnf4:
> 
> $ sudo dnf upgrade
> Fedora 37 - x86_64 - Updates              46 kB/s |  12 kB     00:00
> Fedora 37 - x86_64 - Updates             1.3 MB/s | 2.4 MB     00:01
> ...
> 
> $ sudo dnf5 upgrade
>  Fedora 37 - x86_64 - Updates    100% |  44.4 KiB/s |  12.4 KiB |  00m00s
>  Fedora 37 - x86_64 - Updates    100% | 724.6 KiB/s |   2.0 MiB |  00m03s
> ...

It's just my recollection from an earlier discussion on this list about
dnf5. Possibly I misremembered, or it's a plan rather than already
implemented?
-- 
Adam Williamson
Fedora QA
IRC: adamw | Twitter: adamw_ha
https://www.happyassassin.net

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