seth vidal wrote:
On Thu, 2007-01-04 at 17:16 -0500, seth vidal wrote:
On Thu, 2007-01-04 at 23:09 +0100, Terje Rosten wrote:
* seth vidal
|
| I think I got it.
| Terje, Tim, please take a look at the patch here:
|
https://lists.dulug.duke.edu/pipermail/yum-cvs-commits/2007-January/001255.html
|
| I did timing tests and it reduces the returnObsoletes call on my system
| from 30s to 3s
Yes, it's better, however 3.0.2 plus patch is still much slower than
3.0.1 on 'yum install xpdf' with warm cache.
B/c 3.0.2 is performing a whole other type of check that 3.0.1 isn't.
Instead of just looking at all the obsoletes whole sale. It taking the
list of obsoletes, removing from them any package which is not of the
newest set, then performing the updates setup check.
I'll see what I can do to trim it out a little further.
The this command:
$ time python yummain.py -y install xpdf
I get:
3.0.1: 9 sec
3.0.2 + plus patch: 15 sec
>From the profiling data I see lots of call to returnNewestByName, it's
called over 8500 times.
right - that'd be once per package in the obsdict. I think I know how to
streamline that.
I'll let you know what I come up with.
okay - I just checked in another attempt.
https://lists.dulug.duke.edu/pipermail/yum-cvs-commits/2007-January/001257.html
can you tell me what you get from that with your profiler. The slow down
shouldn't be from so many calls to returnNewestByName()
-sv
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Looks much better, now doUpdateSetup takes 7s, against 2s in yum 3.0.1,
but better much better than 1m 2s in 3.0.2.
08:18:54 : Building Package Lists : Start
08:18:54 : Building Package Lists : doRpmDBSetup
08:18:54 : Building Package Lists : doTsSetup
08:18:54 : Building Package Lists : doUpdateSetup
08:19:01 : Building Package Lists : Updates
08:19:02 : Building Package Lists : 31 Updates found
08:19:02 : Building Package Lists completed
I had had to fix some indentation error i arch.py and a Trackback in
Errors.py to get the current 3_0_X branch to work.
I will check CVS HEAD later.
Tim
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