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List:       fedora-devel-list
Subject:    Re: Small rant: installer environment size
From:       Peter Robinson <pbrobinson () gmail ! com>
Date:       2022-12-11 17:16:14
Message-ID: CALeDE9PwK5vSsW-x3=17UMNY9JrqPQ079YWoh8tm78EOPdGw3A () mail ! gmail ! com
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> > > We *could* do something about repo metadata: only install the "main" metadata,
> > > and not the "filepath" metadata. This would reduce the metadata size by ~80%.
> > > It'd also have huge benefits for speed: on small dnf operations a significant
> > > portion of time is spent just loading metadata.
> > >
> > > 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.

The original yum used to do this
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