[Nepomuk] Virtuoso eating up CPUs
Sebastian Trüg
trueg at kde.org
Mon Sep 13 09:32:36 CEST 2010
Actually the userVisibility stuff is for 4.6 only. And also recent tests
make it much slower than the previous approach. This is something that
confuses me a lot and reason enough not to backport it.
As for nicing Virtuoso: I agree with that. And the trunk version already
does that. So all we need to do is to backport that to 4.5.2.
Cheers,
Sebastian
On 09/12/2010 10:18 PM, Vishesh Handa wrote:
> Virtuoso goes crazy with some queries. :-/ We know about it, and can
> reproduce it. It's not a 4.5.1 issue, it's just a virtuoso thing.
>
> @Sebastian : Weren't your userVisibility patches supposed to fix this?
>
> - Vishesh Handa
>
> On Mon, Sep 13, 2010 at 1:44 AM, Bèrto ëd Sèra <berto.d.sera at gmail.com
> <mailto:berto.d.sera at gmail.com>> wrote:
>
> Hi all,
>
> I'm not sure this is the right address for this, but I guess nepomuk
> is the only service using virtuoso on my machine. After upgrading to
> KDE 4.5.1 I have the following situation:
>
> gentoo ~ # top
> top - 23:08:12 up 27 min, 3 users, load average: 2.72, 2.50, 1.96
> Tasks: 204 total, 1 running, 203 sleeping, 0 stopped, 0 zombie
> Cpu(s): 57.5%us, 5.3%sy, 2.3%ni, 32.4%id, 1.2%wa, 0.2%hi,
> 1.2%si, 0.0%st
> Mem: 2070852k total, 2006160k used, 64692k free, 218416k buffers
> Swap: 1004020k total, 8112k used, 995908k free, 801184k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>
>
> 3439 bertodse 20 0 131m 122m 6392 S 90 6.1 23:00.11
> virtuoso-t
>
> 3486 bertodse 20 0 88436 28m 16m S 16 1.4 3:40.49 krfb
>
>
> 3263 bertodse 20 0 379m 95m 35m S 8 4.7 1:17.93
> plasma-desktop
>
> 2656 root 20 0 268m 58m 9428 S 6 2.9 1:18.28 X
>
>
> 2925 freenet 30 10 426m 119m 14m S 4 5.9 2:38.24 java
>
>
> 2842 bertodse 20 0 98.0m 26m 8316 S 2 1.3 0:31.48 deluged
>
>
> 3435 bertodse 20 0 179m 18m 15m S 1 0.9 1:51.45
> nepomukservices
>
> 2972 gnunetd 39 19 137m 7252 3832 S 1 0.4 0:16.34 gnunetd
>
>
> 4145 bertodse 20 0 144m 39m 17m S 1 2.0 0:05.59 chrome
>
>
> 3591 bertodse 39 19 97916 25m 18m S 1 1.3 0:05.87
> nepomukservices
>
> 4241 root 20 0 2440 1216 880 R 1 0.1 0:00.15 top
>
> Nepomuk services (is it the clients?) appear to behave correctly,
> yet virtuoso is eating up the processor to the point in which KDE
> becomes hardly usable. Is there a way to configure it, so that it
> calms down a bit?
>
> Bèrto
>
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