[Yum-devel] Extremely slow dependency resolution in FC4/rawhide

[Paul Nasrat]

On Mon, 2005-06-06 at 23:11 +0300, Panu Matilainen wrote:
> I commented in some other mail about peculiarly slow dependency
> resolution when removing packages with yum. I just had a comparison
> between my main x86_64 box which is running ~FC4, and a i386 box running
> somewhat the same, except some weeks behind updates (last updated May
> 19th to be exact). The otherwise a lot faster x86_64 box spends roughly
> a minute resolving "yum remove python", whereas the i386 box did that in
> about five seconds. Now, that's a HUGE difference on systems relatively
> similar in installation, except that the dramatically slower box should
> be helluva lot faster.
> 
> Well, I updated both boxes to todays rawhide and now both are just
> *crawling* during the dep resolution (Processing Dependency ...) stage.
> The x86_64 box still takes roughly one minute, the i386 box about two
> minutes, both running from hot cache with -C. 
> 
> Are others seeing this, and any ideas what the hell can cause such a
> dramatic slowdown?

What rpm version?  If you get yum/rpmUtils (forget which) __init__.py to
rpm.setVerbosity(rpm.RPMLOG_DEBUG) do you get any more information about
where the apparent hang is.

Paul