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Re: Delta RPM & presto during anaconda upgrades



On Friday, June 12 2009, Seth Vidal said:
> On Fri, 12 Jun 2009, Alexander Todorov wrote:
>> I've noticed that delta rpms are generated for the updates repository in F11 and
>> not the main one (used for install). Does anyone know if delta rpms will be
>> generated in the main repo for F12?
>>
>> Even if they are not generated people upgrading to newer Fedora release after
>> the initial release date will likely activate the updates repo as well. IMHO
>> upgrades should take advantage of delta rpms and include the yum-presto plugin
>> in the anaconda-yum-plugins package. How that plays with pre-upgrade ? (i've
>> never used it).
>>
>> Please let me know what do you think about this idea.
>
> I think that would massively increase the memory requirements of the  
> install.

And the complexity and the ways things can go wrong, etc.  If we're to
take advantage of the deltas for an upgrade, it should probably be
preupgrade only and then preupgrade can assemble the actual RPMs and
anaconda won't have to care/do so

Jeremy


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