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Thread: Digikam has become very slow

  1. #1
    Join Date
    Oct 2008
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    Default Digikam has become very slow

    Hi!

    Haven't been using Digikam in a few month and a few days ago I noticed that it has become so slow that it is almost unusable. There has been quite a few updates since it was fast so I have absolutely no idea what may have caused this.

    When I clicking on an album folder, containing a few pictures, Digikam uses 3 or 4 of my 8 logical CPU's for several seconds during which time it is unresponsive. I have 8 GB of memory with a 35% usage.

    Output of top -b|grep digikam:

    Code:
     6851 gugrim    20   0 3221m 424m  72m S  0.0  5.3   6:10.50 digikam
     7482 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m R 10.6  5.3   6:10.82 digikam
     7482 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m R 90.4  5.3   6:13.54 digikam
     7482 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m R 83.5  5.3   6:16.05 digikam
     7529 gugrim    20   0  540m  25m  16m S  3.7  0.3   0:00.11 kio_digikamalbu
     7482 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m R 90.7  5.3   6:18.78 digikam
     7529 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m S 51.9  5.3   6:20.34 digikam
     7529 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m S  0.0  5.3   6:20.34 digikam
     7529 gugrim    20   0  540m  25m  16m S  0.0  0.3   0:00.11 kio_digikamalbu
     6851 gugrim    20   0 3221m 424m  72m S  0.0  5.3   6:20.34 digikam
    I have tried migrating the database to MySQL but gained nothing in performance.

    Has anyone else experienced this? Any hints?

    TIA,
    Gunnar

  2. #2
    Join Date
    Jun 2008
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    Default Re: Digikam has become very slow

    How about tlling which version of openSUSE you us? Then people that use the same verion could tell about their experiences, or even try it out.
    Henk van Velden

  3. #3
    Join Date
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    Default Re: Digikam has become very slow

    Quote Originally Posted by hcvv View Post
    How about tlling which version of openSUSE you us? Then people that use the same verion could tell about their experiences, or even try it out.
    Oops forgot that! It's 12.3 and Digikam is 3.2.0.

  4. #4
    Join Date
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    Location
    Florida, USA
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    Default Re: Digikam has become very slow

    I run Digikam 3.2.0 on oS 12.3/KDE 4.10.5 and it is quite spiffy, so your problem is not wide spread(IMHO).
    You might try a post on the Digikam forum, where many issues specific to various plug-ins are discussed.
    Desk: i7-4790K Leap 15.1(x86_64)4.12.14-lp151.28.7-default KF5 59.0 Plasma 5.14.4 Qt 5.13.0
    Lap: HPDV7T i7 Leap 15.0(x86_64)4.12.14-lp151.28.7-default KF5 59.0 Plasma 5.14.4 Qt 5.13.0

  5. #5
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    Default Re: Digikam has become very slow

    Quote Originally Posted by cmcgrath5035 View Post
    I run Digikam 3.2.0 on oS 12.3/KDE 4.10.5 and it is quite spiffy, so your problem is not wide spread(IMHO).
    You might try a post on the Digikam forum, where many issues specific to various plug-ins are discussed.
    Thanks, I'll try that.

  6. #6
    Join Date
    Sep 2012
    Location
    Maryland, US
    Posts
    623

    Default Re: Digikam has become very slow

    Quote Originally Posted by gugrim View Post
    Thanks, I'll try that.
    Did you find anything out or has the problem cleared up for you? I am currently having the same problem here after the recent upgrade to KDE 4.11 and also at the same time kernel 3.11 so it is hard to tell what/which thing caused the problem. The cpu usage shoots up to 80% just to move the thumbnails around and the interface becomes pretty useless.
    Kernel: 4.12.14-lp150.12.7-default x86_64 bits:
    64 Desktop: Gnome 3.26.2
    Distro: openSUSE Leap 15.0

  7. #7
    Join Date
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    Default Re: Digikam has become very slow

    anika200 wrote:
    >
    > gugrim;2576614 Wrote:
    >> Thanks, I'll try that.

    >
    > Did you find anything out or has the problem cleared up for you? I am
    > currently having the same problem here after the recent upgrade to KDE
    > 4.11 and also at the same time kernel 3.11 so it is hard to tell
    > what/which thing caused the problem. The cpu usage shoots up to 80% just
    > to move the thumbnails around and the interface becomes pretty useless.
    >
    >

    openSUSE 12.3 typically *keeps* multiple kernels. You can switch to
    another kernel from boot menu ==>Advanced etc.. That *might* tell
    whether the fault is with KDE or kernel.
    --
    GNOME 3.6.2
    openSUSE Release 12.3 (Dartmouth) 64-bit
    Kernel Linux 3.7.10-1.16-desktop

  8. #8
    Join Date
    Sep 2012
    Location
    Maryland, US
    Posts
    623

    Default Re: Digikam has become very slow

    I think I figured it out, SpiderOak + Digikam = Slow.

    I have SpiderOak backing up my pictures folder and it seems to conflict with Digikam's digikam4.db and thumbnail files. SpiderOak grabs them right away for backup and this seems to be causing some problem, if I quit SpiderOak digikam works fast as expected. I did just upgrade spideroak recently so maybe they changed something on there end, seems odd though.
    Kernel: 4.12.14-lp150.12.7-default x86_64 bits:
    64 Desktop: Gnome 3.26.2
    Distro: openSUSE Leap 15.0

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