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Re: Slow package database

* Loïc Minier <lool+debian@via.ecp.fr> [2007-03-30 20:29]:
> On Fri, Mar 30, 2007, Christoph Haas wrote:
> > It appears like apt-get/aptitude/dpkg dealing with the list/database of 
> > installed packages is terribly slow at times.
>  I think dpkg spends a lot of time reading all /var/lib/dpkg/info/*.list
>  files.  These are not big and this is typically in cache between dpkg
>  runs, and I think this is the reason that cold dpkg runs are very very
>  slow.
>  I tested by stracing dpkg -i on a small .deb after sync && echo 3 >
>  /proc/sys/vm/drop_caches, and from a 24 seconds run, 22 seconds were
>  spent reading *.list files.

Yes I experienced the same while doing a bit of stracing on 
dpkg. I wondered that it reads the whole info list even if 
you just remove a single package.
Kind regards
Nico Golde - http://www.ngolde.de
JAB: nion@jabber.ccc.de - GPG: 0x73647CFF
Forget about that mouse with 3/4/5 buttons,
gimme a keyboard with 103/104/105 keys!

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