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Re: Fresh Fedora 11 fetches 362MB+ of updates, where's deltaRPM?



On Fri, Jun 12, 2009 at 2:20 PM, Jonathan Dieter<jdieter gmail com> wrote:
>
>> There is also some additional processing required on the
>> Fedora infrastructure to generate the deltas
>
> If the OP is still following this thread, this is the real problem at
> the moment.  While applying a deltarpm is a linear operation, creating
> it is somewhere closer to O(N^2).  For a large package, even if Fedora's
> infrastructure has loads of RAM, it still takes a number of minutes to
> create a deltarpm.  Multiply that by four architectures, two releases
> (well, one at the moment) and Rawhide, and the compose times
> skyrocket.
>
> The Fedora infrastructure team is trying to streamline the process a
> bit, but the fact remains that generating deltarpms costs a lot in CPU
> time and RAM usage, and the more deltarpms you generate, the more time
> it takes.


Is it even possible to distribute to the load to volunteer remote machines?

-- 
Fedora 10
(www.pembo13.com)


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