[Digikam-users] Digikam slow

[Dotan Cohen]

On 01/12/2007, Arnd Baecker <arnd.baecker at web.de> wrote:
> Hi Dotan,
>
> sorry, no real ideas, but some remarks ...
>
> On Fri, 30 Nov 2007, Dotan Cohen wrote:
>
> > The system: Ubuntu Feisty on AMD Duron 1.3 GHz, 1GB RAM, KDE 3.5.6,
> > Digikm 0.9.2, 13,100 pictures in Digikam library which is on it's own
> > disk partition. KDE thumbnails cache opened up to 100MB.
> >
> > The problem: Digikam is so slow that it is nearly unusable. When we
> > open a folder/album in digikam we must wait 8 seconds before we see
> > thumbnails. Then, they trickle in at 0.87 sec per thumbnail (200
> > thumbnails in two minutes, 54 seconds on the clock). When a photo is
> > deleted, we wait 8 seconds before there is any UI reaction.
>
> What does `top` give? Is there any indication the the
> system is already swapping?
>
> > All apps run sluggish on this machine, but Digikam is really bad. What
> > can I do to tweak it a bit? I may be an old timer, but in my opinion a
> > 1300 MHz processor (with 1024MB RAM) should not be this bad.
>
> I agree it should work, not super-fast, but at least at
> a reasonable speed. I could try to activate my "old" PIII, 1200 GHz
> with 512 MB, to see the speed there. However,
> this will require an OS update, so because of too much other
> stuff I don't see that I will manage that during the next two weeks.
>
> Does anyone else here have a similar machine and could
> report some timings?
>
> Best, Arnd


Until I open Digikam, only init and X show up at the top of top. With
Digikam open:

top - 16:44:08 up 16 min,  1 user,  load average: 0.27, 0.21, 0.29
Tasks:  96 total,   2 running,  94 sleeping,   0 stopped,   0 zombie
Cpu(s): 18.6%us,  6.0%sy,  0.0%ni, 72.4%id,  2.3%wa,  0.7%hi,  0.0%si,  0.0%st
Mem:    970748k total,   330772k used,   639976k free,     1104k buffers
Swap:  2562356k total,        0k used,  2562356k free,   206988k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 7618 haldaemo  15   0 10304 8604 1708 S  9.0  0.9   0:04.04 hald
 8193 root      15   0 93260  20m 3784 S  2.0  2.2   0:04.98 Xorg
 8319 ubuntu    15   0 31692  12m  10m S  0.7  1.4   0:01.06 kded
 5598 root      19  -4  2904 1244  372 S  0.3  0.1   0:00.80 udevd
 7579 root      15   0  1792  520  432 S  0.3  0.1   0:00.04 dd
 7602 messageb  15   0  2716  972  728 S  0.3  0.1   0:00.33 dbus-daemon
 7619 root      20   0  2880 1028  884 S  0.3  0.1   0:00.05 hald-runner
 7689 root      15   0 12324 1936 1684 S  0.3  0.2   0:00.04 NetworkManager
 8373 ubuntu    15   0 32564  14m  11m R  0.3  1.5   0:00.86 konsole
    1 root      15   0  2912 1848  524 S  0.0  0.2   0:01.58 init

Dotan Cohen

http://what-is-what.com
http://gibberish.co.il
א-ב-ג-ד-ה-ו-ז-ח-ט-י-ך-כ-ל-ם-מ-ן-נ-ס-ע-ף-פ-ץ-צ-ק-ר-ש-ת

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?