Re: making download of filelists.xml(.zck) trigger on demand

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On Mon, 2 Nov 2020 at 21:38, Daniel Mach <dmach@xxxxxxxxxx> wrote:
>
> Lazy file list loading? Yes, that's on DNF's TODO list already, but (to
> be honest) not on top - there's always something more important. It's
> not getting into DNF4, but it may get into DNF5 later on.

Ok, good to know.

Best regards
clime
>
>
> Dne 02. 11. 20 v 20:13 clime napsal(a):
> > On Mon, 2 Nov 2020 at 18:55, Vít Ondruch <vondruch@xxxxxxxxxx> wrote:
> >>
> >>
> >> Dne 01. 11. 20 v 11:58 clime napsal(a):
> >>> Hello!
> >>>
> >>> First of all, I don't really know what I am talking about here but I
> >>> noticed the `dnf update` operation downloads among other things
> >>> `filelists.xml` (optionally compressed by zchunk, thanks Jonathan
> >>> Dieter!!!) and I remember there was a thread on devel mailing quite
> >>> some time ago by Zbyszek from which I understood this data is only
> >>> needed when filesystem paths are used as package requirements or when
> >>> a fs path is specified as direct argument to `dnf install`.
> >>
> >>
> >> This was the case for Yum, but have never the case for DNF since its
> >> beginning. I think there were some reasons, such as that the solver in
> >> case it finds it needs them would need to stop, download the data and
> >> start from beginning. Other reason could be that nobody optimized it yet.
> >>
> >> Anyway, I guess you'll find more info in Bugzilla.
> >
> > Hello vit, thank you very much, I will try to look it up. M.
> >
> >>
> >>
> >> V.
> >>
> >>
> >>>    Could we
> >>> then, please, trigger download of this file only if and when needed
> >>> and not sooner? It seems to take more than half of the total download
> >>> size e.g. for fedora-32-updates repo so it could improve repodata
> >>> download times quite significantly. Again, I don't really know what I
> >>> am talking about here but this came to my mind recently so I wanted to
> >>> write it down just in case it would be possible :).
> >>>
> >>> Thank you very much
> >>> clime
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