On 2012-11-10 7:42, John Reiser wrote:
I noticed the post install processing in f16 lasted only
a few seconds, not the seemingly interminable wait
a Fedora 18 install takes.
If you have many partitions, then the grub2 operating system prober
takes a while to construct grub.cfg: more than half a minute for my
three dozen partitions. This is new with grub2 instead of grub.
Most of the rest is yum, in two parts. The first is verifying
that all the files named in all the packages actually did get
installed.
The second is constructing the yum database, which uses symbolic
links
in the filesystem. Look in /var/lib/yum/yumdb to see this monster.
You'll notice that the harddrive LED stays on the whole time!
Journalling all that is _expensive_.
That's fine and interesting, but we switched to grub2 in F16. The
original poster was comparing F18 to F16, and I compared F18 to F17 and
found F18 slower. grub2 vs. grub1 cannot logically explain differences
between releases from F16 onwards.
--
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora
http://www.happyassassin.net
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