Terje Rosten wrote:
* seth vidal
|
| If no one sees anything brazen and stupid by friday I'll put out a 3.0.3
| to fix this up.
I might found one more bug, I did some profiling (howto coming soon)
to discover the issue.
It's a performance issue, yum 3.0.2 is spending lots of time (70%) in
the returnObsoletes function.
To understand the problem have a look at these callgraphs:
http://web.phys.ntnu.no/~terjeros/yum/yum-3.0.2-callgraph.png
http://web.phys.ntnu.no/~terjeros/yum/yum-3.0.1-callgraph.png
generated by a simple 'yum install xpdf'.
The kcachegrind files is available here:
http://web.phys.ntnu.no/~terjeros/yum/
- Terje
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I am seeing the same thing in yumex after upgrading yum to 3.0.2, it
added about 1 min to the package list creation.
I add some extra debug output to yumex and found out that it was
doUpdateSetup there is the problem.
output from yumex:
yum 3.0.1
16:02:59 : Building Package Lists : doRpmDBSetup
16:03:00 : Building Package Lists : doTsSetup
16:03:00 : Building Package Lists : doUpdateSetup
16:03:02 : Building Package Lists : Updates
16:03:03 : Building Package Lists : 27 Updates found
yum 3.0.2
16:05:56 : Building Package Lists : Start
16:05:56 : Building Package Lists : doRpmDBSetup
16:05:56 : Building Package Lists : doTsSetup
16:05:56 : Building Package Lists : doUpdateSetup
16:06:58 : Building Package Lists : Updates
16:06:59 : Building Package Lists : 27 Updates found
16:06:59 : Building Package Lists completed
Tim
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