On 13 January 2015 at 15:39, Matthew Miller <mat...@fedoraproject.org> wrote:
> On Tue, Jan 13, 2015 at 12:24:53PM -0600, Dennis Gilmore wrote: > > > > > The reason for "tentative" was mostly so we could get feedback > > > > > from rel-eng on whether this is actually feasible. > > It is not even close to feasible. > [...] > > It is still not reasonable to get everything done in that period of > > time. > > Okay, so, in an ideal world, what would it take to bring the mass > rebuild time down? This schedule is, nominally, 5 months and 10 days > from the F21 release, and if we consider that to include a built-in one > week slip buffer for each of alpha, beta, and final, it's exactly 6 > months — our theoretical target. > > If we have bottlenecks that make it impossible to construct this kind > of six-month schedule, we should at least eye what it would take to > reduce them. Is this a hardware problem? Storage speed? People power? > > You forgot "too many packages?" There are 15842 packages in Fedora 21 and 16230 in Rawhide. That is a lot of packages that have to be rebuilt possibly multiple times due to FTBFS, multiple architectures, etc. 2.5 weeks is 25200 minutes. That means a mass rebuild is doing 0.6 packages a minute across 3 architectures. That is pretty darn fast -- Stephen J Smoogen.
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