[pacman-dev] pacman -Qo takes a very long time

[Dan McGee]

On 5/11/07, solsTiCe d'Hiver <solstice.dhiver at laposte.net> wrote:
> hi.
> so i just installed pacman 3.0.4 during my daily pacman -Syu. no pb libarchive
> and libdownlaod already installed
>
> so the first command i run was:
> pacman -Qo /usr/bin/versionpkg and it takes a avery long time !!! wtf ! during
> a compilation . so i stop the comilation and
>
> i time it:
>  time pacman -Qo /usr/bin/versionpkg
> /usr/bin/versionpkg appartient à versionpkg 0.7.2-1
>
> real    0m19.933s
> user    0m17.049s
> sys     0m2.316s
>
> and with 100% cpu usage the last 10 second !!??
>
> i run /var/lib/pacman in a tmpfs so the pb of the filesystem fragmentation is
> not a pb.
> so i tried without the tmpfs.
> the same.
> i run pacman-optimize.
> it takes 51s this time !?
>
> now it's 19s again

http://www.archlinux.org/pipermail/pacman-dev/2007-March/007375.html

-Dan