[Bug 281959] New: Unnecessary unresponsiveness after startup.

[Rinus]

https://bugs.kde.org/show_bug.cgi?id=281959

           Summary: Unnecessary unresponsiveness after startup.
           Product: digikam
           Version: 2.1.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Database
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           2.1.0 (using KDE 4.7.0)
OS:                Linux

After launching or changing album/collection digikam is a long time
unresponsive without any indication what it is doing.

example: I have under my albums ARCHIEF (23000) and GALLERY (17000). If I
worked in ARCHIEF and I go to GALLERY, I make coffee, wash the dishes or take a
shower because it becomes for minutes unusable. The same happens when you start
with include album subtree deselected and then select it.
I guess it is reading all thumbnails into memory. In my opinion it should be no
problem to do that in realtime if the user scrolls. The way it is handled now
is a real pain with large db.

Reproducible: Always

Steps to Reproduce:
start digikam with large db include subdirs in view

Actual Results:  
wait wait wait

Expected Results:  
working right away

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=281959





--- Comment #1 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-09-13 20:14:16 ---
digikam/SQlite is able to handle large collection - with subtrees included, I
select the root album, digikam needs a few seconds to list all 38000 images,
scrolling is smooth, right side bar tag filters take about 500 ms (some
noticeable delay, but less than a second).

The large delays you describe give plenty of time to debug. Is CPU used? Which
process is using CPU? Is the harddisk busy? What about memory usage, can you
rule out that the system is out of memory and swapping? I recommend the KDE
system monitor for all this information.

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[Rinus]

https://bugs.kde.org/show_bug.cgi?id=281959





--- Comment #2 from Rinus Bakker <sleeplessregulus hetnet nl>  2011-09-14 17:10:43 ---
(In reply to comment #1)
> digikam/SQlite is able to handle large collection - with subtrees included, I
> select the root album, digikam needs a few seconds to list all 38000 images,
> scrolling is smooth, right side bar tag filters take about 500 ms (some
> noticeable delay, but less than a second).
>
> The large delays you describe give plenty of time to debug. Is CPU used? Which
> process is using CPU? Is the harddisk busy? What about memory usage, can you
> rule out that the system is out of memory and swapping? I recommend the KDE
> system monitor for all this information.

clicking on ARCHIEF makes digikam almost dead for 90 seconds,
I watched the processes. CPU never >17%, memory constant 900MB/ 3,6GB, swap
constant 64MB / 6GB
I do not know how to measure diskactivity. This looks to support my first
guess, reading all thumbs in memory.
Rinus

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=281959

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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--- Comment #3 from Gilles Caulier <[hidden email]> ---
Rinus,

It still reproducible using last digiKam 4.2.0 ?

Gilles Caulier

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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--- Comment #4 from Gilles Caulier <[hidden email]> ---
*** Bug 317606 has been marked as a duplicate of this bug. ***

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[Gilles Caulier-4]

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--- Comment #5 from Gilles Caulier <[hidden email]> ---
*** Bug 300293 has been marked as a duplicate of this bug. ***

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Unnecessary                 |SCAN : Unnecessary
                   |unresponsiveness after      |unresponsiveness after
                   |startup.                    |startup.

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[Michael G. Hansen]

https://bugs.kde.org/show_bug.cgi?id=281959

Michael G. Hansen <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|SCAN : Unnecessary          |Digikam unresponsive for
                   |unresponsiveness after      |>1min during scan after
                   |startup.                    |startup.

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[Michael G. Hansen]

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Michael G. Hansen <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Digikam unresponsive for    |SCAN: Digikam unresponsive
                   |>1min during scan after     |for >1min after startup.
                   |startup.                    |
                 CC|                            |[hidden email]

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[arq.davidlee]

https://bugs.kde.org/show_bug.cgi?id=281959

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--- Comment #6 from [hidden email] ---
I have the same problem, i'm currently using version 4.2.0. I have a pretty
large collection (about 250k images) and it takes more than 10 minutes to show
the user interface.
As I can see in the welcome screen, it takes a long time scaning albums and
reading database. Is it possible to do run these tasks at background?

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|2.1.0                       |4.2.0

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|SCAN: Digikam unresponsive  |SCAN: digiKam unresponsive
                   |for >1min after startup.    |for >1min after startup.

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|SCAN: digiKam unresponsive  |SCAN : digiKam unresponsive
                   |for >1min after startup.    |for >1min after startup.

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

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--- Comment #7 from Gilles Caulier <[hidden email]> ---
*** Bug 339916 has been marked as a duplicate of this bug. ***

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Database                    |Database-Scan

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[bugzilla_noreply]

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--- Comment #8 from paul iannazzo <[hidden email]> ---
I'm getting this bug, but i have a SMALL collection, by any professional
photographers standard, only 350gigs. digikam is stalling for over an hour for
me on startup!

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--- Comment #9 from [hidden email] ---
This file still valid using last digiKam 5.0.0 ?

Gilles Caulier

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--- Comment #10 from [hidden email] ---
Git commit 27a7e771060fa8f6d40461b9444bb4496487f102 by Gilles Caulier.
Committed on 17/07/2016 at 15:13.
Pushed by cgilles into branch 'master'.

Restore broken splashscreen animation while database process at startup.
Related: bug 320359

M  +20   -13   libs/widgets/common/dsplashscreen.cpp

http://commits.kde.org/digikam/27a7e771060fa8f6d40461b9444bb4496487f102

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[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|                            |http://commits.kde.org/digi
                   |                            |kam/4047edd1532b129fe895a8c
                   |                            |4b0f810adc92d2f7f
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED
   Version Fixed In|                            |5.1.0

--- Comment #11 from [hidden email] ---
Git commit 4047edd1532b129fe895a8c4b0f810adc92d2f7f by Gilles Caulier.
Committed on 18/07/2016 at 12:48.
Pushed by cgilles into branch 'master'.

Improve digiKam startup time :
------------------------------

- remove splashscreen from ScanController. Always use a progress dialog instead
in all cases.

- We will always require a progress dialog at first init to scan albums.
All details are given in dialog about which album is scanned and how many items
still in the queue to process.

- The splashscreen always arrive after the progress dialog. Splash show final
stage to init GUI

- When GUI is displayed, always start a delayed find new item process through
progress manager. This is done in background.
Progress info is given in progress manager as well. While scan for new item is
running in a separated thread,
user can start to work with GUI, even if all items are not yet catalogued in
database.
Related: bug 320359
FIXED-IN: 5.1.0

M  +18   -29   app/main/digikamapp.cpp
M  +9    -42   libs/database/utils/scancontroller.cpp
M  +2    -3    libs/database/utils/scancontroller.h
M  +4    -2    utilities/maintenance/maintenancetool.h

http://commits.kde.org/digikam/4047edd1532b129fe895a8c4b0f810adc92d2f7f

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--- Comment #12 from [hidden email] ---
Git commit 4f270e01d50f31a4a3990aa9b0ad12629374fb35 by Gilles Caulier.
Committed on 19/07/2016 at 19:34.
Pushed by cgilles into branch 'master'.

restore older scan for new items at startup option
Related: bug 320359

M  +6    -2    app/main/digikamapp.cpp
M  +2    -1    libs/settings/applicationsettings.cpp
M  +3    -0    libs/settings/applicationsettings.h
M  +10   -0    libs/settings/applicationsettings_miscs.cpp
M  +3    -0    libs/settings/applicationsettings_p.cpp
M  +1    -0    libs/settings/applicationsettings_p.h
M  +7    -0    utilities/setup/setupmisc.cpp

http://commits.kde.org/digikam/4f270e01d50f31a4a3990aa9b0ad12629374fb35

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