yum-presto not on by default

Jonathan Dieter jdieter at gmail.com
Thu Sep 24 05:06:10 UTC 2009


On Thu, 2009-09-24 at 00:46 -0400, James Antill wrote:
> On Wed, 2009-09-23 at 17:22 +0200, Till Maas wrote:
> > 
> > This is all under the assumption, that delta rpm creation from a xz
> > compressed rpm to a gzip compressed rpm works.
> 
>  Yeh, I don't know the answer to that. I'd _guess_ that it would work,
> but someone needs to try it.

Tried it and it works correctly for both directions (old rpm gzip, new
rpm xz and vice versa).

>  This would mean that drpms on rawhide will still suck upto F12, but I
> could live with that :).
>  I assume we don't do F11 => F12 drpms?
> 
>  On the other side of it, does anyone have any stats. on how much was
> saved by using Xz instead of bzip2? -- Ie. what we'd lose if we did a
> mass rebuild.

Here's one I came across:
http://fedoratux.blogspot.com/2009/05/xz-compression.html

Jonathan
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