[Digikam-devel] [Bug 198063] New: Digikam startup is extremely slow
martin.lubich at gmx.at
Sat Jun 27 13:14:04 BST 2009
Summary: Digikam startup is extremely slow
Platform: Ubuntu Packages
AssignedTo: digikam-devel at kde.org
ReportedBy: martin.lubich at gmx.at
Version: (using KDE 4.2.2)
Compiler: gcc (Ubuntu 4.3.3-5ubuntu4) 4.3.3
Installed from: Ubuntu Packages
I have a collection of about 24000 images. Each time I start up digikam it
takes approx. 2+ minutes to get past the initial splashscreen.
The info displayed during the long wait is 'reading database'.
I am running ubuntu 9.04 64bit on an AMD Phenom Quadcore @ 2.4Ghz with 8GB of
RAM and a Seagate ST3500320AS 500GB SATA Drive with reiserfs 3 as filesystem.
Subsequent starts of digikam are much faster, but this is only due to the fact
that linux caches all the file information previously fetched. If I force the
caches flushed, I always have the > 2min wait time.
I have the option 'Scan for new items at startup' deselected, so there should
be no reason for any filesystem search on startup.
I did use strace to monitor the system calls, digikam performs during
initialization and I discovered that digikam does a stat on each and every file
in its database, thus effectively performing a scan.
I doublechecked with the option 'Scan for new items at startup' turned on, and
indeed, in this case the files get stat'ed 2 twice.
This behaviour never happened with any digikam version < 0.10 and I am using
digikam now from its earliest versions.
Is there anything I can do to have my startup times reduced to a bearable time
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