[Nepomuk] Virtuoso eating up CPUs

[Vishesh Handa]

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>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
>
> _______________________________________________
> Nepomuk mailing list
> Nepomuk at kde.org
> https://mail.kde.org/mailman/listinfo/nepomuk
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.kde.org/pipermail/nepomuk/attachments/20100913/2c4571b0/attachment.htm