Fedora distribution build times

[Roberto Ragusa]

Matt Domsch wrote:
> On Wed, Jan 12, 2011 at 12:24:41PM +0530, Shakthi Kannan wrote:
>> Greetings!
>>
>> I would like to know as to how long it takes to build a complete
>> Fedora distribution, say i686, from .src.rpms.
>>
>> Are there any statistics available or is it possible to provide any
>> info on the hardware specifications (RAM, number of processors, kernel
>> used etc.), time it takes to build the complete Fedora distribution,
>> and other build related statistics?
> 
> It took my build system 96 hours to build all of rawhide (>10k
> packages) for both x86_64 and i386.  Builders are 10 Dell PowerEdge
> 1955 servers, each with 2 sockets 3GHz Xeon 5160 CPUs (4 cores each),
> 8GB RAM.  Builders running Fedora 14.

Interesting.

So it took 2x4x10x96=7680 corehours to build 20000 packages, at an average
of 7680*60/20000=23 coreminutes/package.

And we get that on average one package takes 6 minutes on a 4 core machine.
That makes sense.

-- 
   Roberto Ragusa    mail at robertoragusa.it