anaconda performance thoughts [Re: ANNOUNCE: Severn Test 2 Anaconda Updates Image Available]
Jeremy Katz
katzj at redhat.com
Wed Oct 1 04:09:35 UTC 2003
On Tue, 2003-09-30 at 19:18, Matt Bernstein wrote:
> 1. introduce extra threads to pre-cache the next files from install media
> (may be a help over the network too) while current RPM is installing
We've discussed this some -- it's a little tricky to pull off sanely
with all of the shenanigans necessary to keep bad CDs from causing
tracebacks (and I can point to piles of bugs in previous releases until
this is finally, I think hopefully, knock on wood, right now).
I also continue to think that the caching is going to trash things more
and cause the actual package installation that's occurring + whatever
%post (especially ldconfig) to be that much slower. Unfortunately,
that's just a gut feeling that I can't back up until I have some spare
time to do some dirt simple proof of concept benchmarking.
> 2. mount the ext3 target volumes ext2 while installing (this could still
> apply in days of dir_index and ACLs)
We used to do this in the 7.2 timeframe, but the time difference on an
install was negligible.
> Is Bugzilla the place for these ideas?
Well, bugzilla's not great for discussion, really. If you have
patches... ;) Discussion is easier to have either here or on
anaconda-devel-list. Or even on IRC, though that's less good from an
archival stance.
Cheers,
Jeremy
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