Hi,
On 14.10.19 19:59, Ankur Sinha wrote:
>> Is the documentation using parallel builds?
>
> They don't say.
Seems unlikely, see below
> It uses configure/make/make install. I had run the build with make -j1
> too, but that had seemed to run even slower.. I hadn't checked the
> resource usage though, so maybe I'll run that again.
Using a single thread (by setting using %make_build -j1 or
RPM_BUILD_NCPUS=1) takes ages but seems to work at least locally.
Still the RAM usage is nowhere near the 3GB your graph shows.
- Mostly gcc uses around 2GB, with assembler adding up to 4GB on
occasion, very briefly.
- Some of the make steps are insane:
Biggest offenders so far seem to be graph_blockmodel_imp.lo with 10GB
for gcc + 4GB assembler, followed by graph_assortativity.lo with 6GB gcc
+ 4GB assembler, and a few others with 4-5GB gcc + 3-4GB assembler.
Throw multi-threading into the mix and this will easily add up to the
memory usage you're seeing (It totally killed my test server, that's for
sure.
I have no idea what hardware koji is using, so even single-threaded,
this might be an issue, but I'd still give it a try.
Christopher
P.S.: The linked spec file only works for me if I use
%autosetup -S git -n %{modname}-%{version}
because the archive doesn't unpack to packagename-version.ext
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