Software Management call for RFEs
mls at suse.de
Fri May 31 09:23:52 UTC 2013
On Wed, May 29, 2013 at 08:33:16PM +0200, Florian Weimer wrote:
> Users sometimes misdiagnose issues, *especially* when complaining. 8-)
> I did some tests and cold cache performance tests on an old Debian
> installation. Performance with cold caches is more than adequate.
> Full-text searches take about two seconds. Package installation reaches
> the confirmation prompt (after dependency resolution) in less than three
> seconds, even for ridiculously complex tasks such as installing the entire
> KDE desktop (365 additional packages on my test system).
> In contrast, on Fedora or RHEL systems, 30 seconds for dependency
> resolution with a cold cache are common, plus around 6 seconds for loading
> all the Python code for yum. /usr/bin/time reports much more I/O than it
> does non Debian (about ten times as much, as reflected in the wall clock
If you want to do some measurements for depsolving without the python
overhead, you can try the "libsolv-demo" package (it's a subpackage
of libsolv, so it should be available for Fedora). It consists of
a single binary, "/usr/bin/solv", that is a little package manager
on top of libsolv.
Michael Schroeder mls at suse.de
SUSE LINUX Products GmbH, GF Jeff Hawn, HRB 16746 AG Nuernberg
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