yum 3.2.23 more than 10x slower than 3.2.21?!
Roberto Ragusa
mail at robertoragusa.it
Fri Jun 26 15:25:10 UTC 2009
Seth Vidal wrote:
>
>
> On Fri, 26 Jun 2009, Roberto Ragusa wrote:
>
>> Seth Vidal wrote:
>>>
>>> and if you can make this happen every time with 3.2.23 if you could
>>> please run:
>>>
>>> time yum -d 3 list updates | grep 'time:'
>>
>> You were not talking to me, but I tried and
>> look at this: (added -C to avoid net access)
>>
>> # time yum -C -d 3 list updates --disablerepo=atrpms\* | grep 'time:'
>> Config time: 0.271
>> repo time: 0.001
>> pkgsack time: 86.684
>
> and you're POSITIVE nothing is being downloaded here? Nothing at all?
>
> Run it again, please and capture all the output and post it to a pastebin.
>
I have a hint and it points to the "same rpms in more than one repo"
hypothesis.
yum -d 5 lists a lot of
excluding for cost: firefox-3.0.11-1.fc10.i386 from updates
excluding for cost: gnome-session-2.24.3-1.fc10.i386 from updates
[...]
I see something related to cost handling fixes in the yum Changelog.
My guess is that elements are removed from an array one at a time
and everything after that is moved back one position.
Or some inefficiency of that kind.
You may be able to reproduce it by configuring two updates repos.
--
Roberto Ragusa mail at robertoragusa.it
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