post install very slooow

[Adam Williamson]

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
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