Re: yum 3.2.23 more than 10x slower than 3.2.21?!
On Jun 26, 2009, at 9:11 AM, Seth Vidal wrote:
On Fri, 26 Jun 2009, Roberto Ragusa wrote:
> Hi,
>
> yum got really slower a few days ago on F10, so I investigated and
> found that:
>
> (3.2.23) #yum list updates
> real 1m28.446s
> user 1m24.553s
> sys 0m0.546s
>
> (3.2.21) #yum list updates
> real 0m7.621s
> user 0m6.673s
> sys 0m0.390s
>
> this is with a few repositories, no net access, no disk access
> (everything
> is cached), trivially reproduceable. No yum plugins (just
> downloadonly), no
> PackageKit installed.
>
> About 90 seconds of 100% CPU (2.4GHz Core 2) is a disaster.
just for fun:
set color=never in your yum.conf
and run it again.
No time difference here (2:23->2:26) for color=never on yum 3.2.23.
More than 2 minutes of cpu time on a 3.1GHz E8400. Downgraded to
3.2.21-2 from koji and the same 'yum list updates' takes 6.4 seconds.
joe