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

Julian Sikorski belegdol at gmail.com
Sat Nov 24 14:05:41 UTC 2012


W dniu 24.11.2012 14:37, Panu Matilainen pisze:
> On 11/23/2012 09:19 PM, Julian Sikorski wrote:
>> 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 -
>> Is there a macro to disable this from within the spec so that I can
>> check whether dwz is the culprit?
> 
> This should disable dwz entirely:
> 
> %global _find_debuginfo_dwz_opts %{nil}
> 
>     - Panu -
> 
>     - Panu -
Thank you. I have submitted a build with dwz disabled, let's see how
long it takes.

Julian



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