[Test-Announce] Fedora 13 Final TC1 Available Now!

Hedayat Vatankhah hedayat at grad.com
Fri Apr 30 12:13:08 UTC 2010

/*Andre Robatino <andre at bwh.harvard.edu>*/ wrote on 04/30/2010 3:13:26 
PM +0450:
> On 04/30/2010 06:25 AM, Hedayat Vatankhah wrote:
>> Well, I'm not going to insist on providing jigdo. However, the situation
>> in my mind is this one: I've downloaded Fedora 13 Beta DVD iso
>> previously and installed it on my system. Then, I've updated my system
>> regularly (using yum presto) and I use yum's "keepcache=1" option. So,
>> my Fedora Beta DVD iso + cached updated rpms would provide a
>> considerable number of files available in the next DVD iso; so if jigdo
>> is available I would probably be able to create the next iso without
>> downloading many rpm packages.
>> Certainly, the efficiency in this case depend on the installation. A
>> minimal installation will not have many rpms and so will not receive new
>> versions of most rpms when updating.
> That's a good point - if many of the updated RPMs in the new ISO have
> already been downloaded and cached, then jigdo/rsync/zsync looks much
> better, since most if not all of the exact RPMs in the new ISO are
> already available.  If rsync or zsync were available, you could get the
> same benefit as jigdo by concatenating your old ISO and all of your new
> cached RPMs together into a single large file, and running rsync/zsync
> on that to convert it into the new ISO.  Unfortunately, rsync runs on
> the server, and turned out to be a resource hog, so it's not currently
> used for development images.  Zsync runs on the client so shouldn't have
> this problem.  Unfortunately, it's not available in Fedora yet.  See
> http://kparal.wordpress.com/2009/09/01/zsync-transfer-large-files-efficiently/
> https://bugzilla.redhat.com/show_bug.cgi?id=490140
> https://bugzilla.redhat.com/show_bug.cgi?id=495310
> Zsync would also be perfect for converting between different install
> disc sets (currently the DVD and the CD set) since the packages are
> exactly the same.  It can also be used to efficiently convert from the
> first disc in either set to the netinst disc.  So I'd certainly like to
> see it in Fedora.
Yes, I would certainly prefer zsync if it was available (it would be 
even better than jigdo, as it does not even need the exact rpms).

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