delta rpm's for RPM Fusion?

[Jonathan Dieter]

On Fri, 2009-05-15 at 14:17 +0200, Thorsten Leemhuis wrote:
> On 14.05.2009 21:10, Jonathan Dieter wrote:
> > On Thu, 2009-05-14 at 21:02 +0200, Michael Schwendt wrote:
> >> On Thu, 14 May 2009 19:48:02 +0200, Thorsten wrote:
> >>
> >>> On 12.05.2009 03:01, Rahul Sundaram wrote:
> >>>> Any plans to support this in RPM Fusion?
> >>> Besides "would be nice to have": not that I'm aware of.
> >> There's the old thread from November. Some unanswered questions (hardware
> >> resources, repo layout, verifying that the buildsys machine has the needed
> >> deps available and installed), not much buy-in.
> 
>  From my point of view:
> 
> * hardware resources are afaics not a problem here, as we have only a 
> few packages when compared to Fedora and it doesn't take that long to 
> generate the deltas afaics

Again, the main resource needed is RAM, 3*Uncompressed RPM size.  If we
just don't build deltarpms for any packages that are too large[1], we
can decide what hardware resources we need ourselves.


> * what impact would delta support have apart from a (automatically 
> generated) drpms/ sub-directory on the same level as repodata/

None

Jonathan

[1] Yes, it's an ugly hack, but getting deltarpm to use a fixed amount
of RAM is going to take a bit of work.  I plan on doing it at some point
soon, but we're hitting end of the year for school and I've got loads of
stuff that I still need to do with my students.
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