On 05/09/26 at 14:53 +0530, Nilesh Patra wrote:
> Hi Ben, Bastien, Lucas,
> 
> 
> Quoting Ben Hutchings:
> > I tried running lintian on a full amd64 build of linux.  lintian
> > allocated about 23 GiB of VM and then was OOM-killed before generating
> > any output.
> 
> There have been several releases since this bug report was filed (almost 5 
> years
> back(!)) and there have been many memory and performance based fixes so far.
> I don't have the compute to build/run checks on linux myself. Would you
> be able to confirm if the memory usage is in sensible limits now with the 
> latest
> release 2.140.0 please?
> 
> > I notice that <https://lintian.debian.org/sources/linux> has no
> > information, probably because of this.
> >
> > This is a regression in lintian, but I don't know how long ago it
> > happened.
> 
> I can see linux has lintian tags in the UDD (lintian.d.o was revamped and does
> not show package-specific tags now - UDD does that job):
> 
> https://udd.debian.org/lintian/?packages=linux
> 
> Lucas, will you be able to comment on how much memory linux uses on UDD 
> workers?

Hi,

I recently improved the UDD lintian orchestrator so that it now stores
CPU time and peak memory usage. I am currently re-processing all
packages with 2.139.0 to collect that data, and then I will upgrade to
2.140.0 and compare results.

The whole process will take a few days.

But linux/7.2.3-1~exp1 was already reprocessed, and uses at most 27.7 GB
(for the linux-image-7.2-loong64-dbg binary). That's with 2.139.0.

The following UDD query is useful:
select source, version, package, package_version, architecture,
memory_peak_bytes / 1024/1024/1024 as memory_peak_gb from lintian_logs
where memory_peak_bytes is not null order by 6 desc;

Lucas

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