[Popcon-developers] Bug#622322: popularity-contest: popcon tries to access dpkg internal files and fails with multiarch: same packageso

[Bill Allombert]

On Wed, Apr 20, 2011 at 09:11:59PM +0200, Raphael Hertzog wrote:
> On Wed, 20 Apr 2011, Bill Allombert wrote:
> > On my system with 1200 packages (far below the average popcon submitter),
> > traditional popcon take 2s.  Once patched with the attached patch to use dpkg -L, 
> > it take 30s.  Slowing down 15 times popcon is not acceptable.
> 
> You can invoke "dpkg -L" less often by giving multiple packages as
> parameters. Each set of files will be separated by an empty line.

Good, is that behaviour documented somewhere ?

> This will greatly improve the performance.

Great, send me a patch and I will benchmark it.

> (BTW, popcon is mainly run from cron so interactive performance is not so
> critical.)
 
The issue is not interactive performances but waste of system resource. Users
will complain.

Cheers,
-- 
Bill. <ballombe at debian.org>

Imagine a large red swirl here.