Re: did anything change in F18+ building stack which would increase the requirements?

[Julian Sikorski]

W dniu 22.11.2012 07:55, Panu Matilainen pisze:
>  On 11/22/2012 12:03 AM, Julian Sikorski wrote:
> > W dniu 10.11.2012 10:51, Julian Sikorski pisze:
> >> Hi,
> >>
> >> I was wondering if it was possible to monitor the maximum and/or average
> >> memory usage of a mock build process. I am trying to investigate why a
> >> package takes less 2 hours to build on F16/F17, 24 hours on F18 and 7
> >> hours on rawhide:
> >> https://bugzilla.rpmfusion.org/show_bug.cgi?id=2554
> >>
> >> Regards,
> >> Julian
> >>
> > Hi,
> >
> > I would like to follow up on this issue. I did not notice the
> > differences when mock building locally, but on the plague RPM Fusion
> > builder it took 2 hours on F16/F17 and 30 (sic!) on F18 to build mame.
> > Suspecting memory usage issue I already added
> >
> > %global optflags %{optflags} -Wl,--no-keep-memory
> > -Wl,--reduce-memory-overheads
> >
> > to the spec file. Thank you for the input in advance.
>  
>  Here's one difference between F18 and earlier that does affect memory
>  usage:
>  https://fedoraproject.org/wiki/Features/DwarfCompressor
>  See https://bugzilla.redhat.com/show_bug.cgi?id=833311 and
>  /etc/rpm/macros.dwz for further info on memory consumption and tunables.
>  
>  But then this is the same in rawhide and f18 so it doesn't explain why
>  the build takes *that* much longer on f18.
>  
>      - Panu - 
Thanks for the pointer, I'll look into it. Keep in mind I did not
try to
build for rawhide this time, but before the time was comparable with F-18.

Julian