[Kde-pim] PIM and Nepomuk performance
Martin Konold
konold at kde.org
Tue Feb 23 21:46:07 GMT 2010
On Tuesday 23 February 2010 16:53:41 Juergen Spitzmueller wrote:
> Anne Wilson wrote:
> > There must be some other factor. After a fight to find the problem I had
> > with Nepomuk/Strigi, I now have both running. Strigi is indexing away.
> > I get short bursts of very high cpu usage, but much of the time it's
> > working around 17-22% - and this is a 5-year-old laptop that never was
> > state-of-the-art. Perhaps the System Activity Monitor might give you a
> > clue as to why you have this issue.
>
> Here, the performance lag is hardly bearable (on two machines, not the
> newest ones, but still new enough, I think). Strigi is off. Top blames
> virtuoso-t, AFAICS.
I can second that. On my netbook mainly running kmail I get the following
statistics (sorted Total CPU Time with top):
As you can easily see is that virtuoso-t is using up most CPU time and most
memory of all running processes. plasma-desktop is also a resource hog while I
am not using any fancy plasma feature except a simple
Sorted by total CPU time:
2555 km82rt 20 0 82868 66m 2904 S 0 3.3 110:04.00 virtuoso-t
2516 km82rt 20 0 522m 58m 17m S 1 2.9 69:11.56 plasma-desktop
2519 km82rt 20 0 2200 916 572 S 0 0.0 23:16.08 ksysguardd
32411 km82rt 20 0 409m 133m 28m S 0 6.6 23:09.93 kmail
2541 km82rt 20 0 148m 9064 3828 S 0 0.4 21:52.58 nepomukservices
2079 km82rt 20 0 7008 5284 676 S 0 0.3 16:10.80 dbus-daemon
2562 km82rt 20 0 178m 19m 7220 S 7 1.0 10:29.81 konsole
25573 km82rt 20 0 215m 23m 8160 S 0 1.2 10:28.86 chromium-browse
12998 km82rt 39 19 103m 10m 3984 S 0 0.5 9:24.23 nepomukservices
3005 km82rt 20 0 65008 10m 2872 S 0 0.5 5:47.62 nepomukservices
3003 km82rt 20 0 41576 6832 3644 S 0 0.3 5:17.51 nepomukservices
3002 km82rt 20 0 620m 577m 3356 S 0 28.8 4:56.91 nepomukservices
3000 km82rt 20 0 50712 7136 4104 S 0 0.3 4:50.64 nepomukservices
3004 km82rt 20 0 41508 5964 2776 S 0 0.3 4:39.25 nepomukservices
2723 km82rt 20 0 181m 19m 2052 S 0 1.0 4:30.39 mysqld-akonadi
32372 km82rt 25 5 102m 10m 3632 S 0 0.5 1:39.85 chromium-browse
2775 km82rt 20 0 43220 30m 1796 S 0 1.5 1:20.13 virtuoso-t
2543 km82rt 20 0 328m 17m 7952 S 0 0.9 1:03.72 krunner
2155 km82rt 20 0 114m 15m 7460 S 0 0.8 0:51.04 kded4
25674 km82rt 25 5 111m 14m 1452 S 0 0.7 0:47.04 chromium-browse
2511 km82rt 20 0 254m 16m 9868 S 0 0.8 0:45.23 kwin
25685 km82rt 25 5 112m 16m 1456 S 0 0.8 0:44.03 chromium-browse
12058 km82rt 20 0 72148 11m 6428 S 0 0.6 0:39.69 kio_imap4
25693 km82rt 25 5 104m 9320 2164 S 0 0.5 0:36.21 chromium-browse
2515 km82rt 20 0 174m 23m 6640 S 0 1.2 0:34.07 knotify4
2719 km82rt 20 0 129m 4740 2924 S 0 0.2 0:29.75 akonadiserver
25624 km82rt 20 0 100m 6128 1532 S 0 0.3 0:25.93 chromium-browse
25636 km82rt 20 0 99.8m 5976 1536 S 0 0.3 0:24.49 chromium-browse
1997 km82rt 20 0 2596 540 356 S 0 0.0 0:13.67 gpg-agent
1323 km82rt 20 0 1900 792 636 S 0 0.0 0:12.37 ping
2757 km82rt 20 0 90916 8276 3816 S 0 0.4 0:11.09 klipper
2843 km82rt 20 0 92464 9424 4264 S 0 0.5 0:09.62 kwalletd
25574 km82rt 20 0 55500 2556 1340 S 0 0.1 0:09.44 chromium-browse
15246 km82rt 20 0 247m 79m 56m S 0 3.9 0:09.08 soffice.bin
Sorted by total Memory usage:
3002 km82rt 20 0 620m 577m 3356 S 0.0 28.8 4:57.73 nepomukservices
3015 km82rt 20 0 620m 577m 3356 S 0.0 28.8 0:00.01 nepomukservices
32411 km82rt 20 0 409m 133m 28m S 0.2 6.7 23:35.15 kmail
1144 km82rt 20 0 409m 133m 28m S 0.0 6.7 0:00.00 kmail
1382 km82rt 20 0 409m 133m 28m S 0.0 6.7 0:00.38 kmail
1410 km82rt 20 0 409m 133m 28m S 0.0 6.7 0:00.01 kmail
1914 root 20 0 117m 87m 1940 S 0.0 4.4 0:21.01 virtuoso-t
1915 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.11 virtuoso-t
1916 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2080 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2081 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2082 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2083 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2150 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2152 root 20 0 117m 87m 1940 S 0.0 4.4 8:05.68 virtuoso-t
2153 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2156 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2157 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2158 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2159 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2160 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2161 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2162 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2163 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2164 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2165 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2166 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2167 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2168 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2169 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2170 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2171 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2172 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2173 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
2174 root 20 0 117m 87m 1940 S 0.0 4.4 0:00.00 virtuoso-t
15246 km82rt 20 0 247m 79m 56m S 0.0 3.9 0:09.18 soffice.bin
15250 km82rt 20 0 247m 79m 56m S 0.0 3.9 0:00.00 soffice.bin
15251 km82rt 20 0 247m 79m 56m S 0.0 3.9 0:00.00 soffice.bin
15252 km82rt 20 0 247m 79m 56m S 0.0 3.9 0:00.05 soffice.bin
imho the amount of memory occupied by nepomukservices and virtuoso-t is simply
too high.
Alle measurments have been made with a suspended file indexer.
Yours,
-- martin
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