[Digikam-devel] [digikam] [Bug 305359] Advanced rename of lots of images is slow

[Gregor Müllegger]

https://bugs.kde.org/show_bug.cgi?id=305359

Gregor Müllegger <gregor at muellegger.de> changed:

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                 CC|                            |gregor at muellegger.de

--- Comment #4 from Gregor Müllegger <gregor at muellegger.de> ---
I tried a SQLite and a MySQL database. It seems even worse with MySQL. When I
rename a bunch of images with a SQLite database, it takes about ~1 second per
file. With MySQL it seems to rename a few files (about three) rapidly but then
needs 4-5 seconds for the next few files and so on.

It definitly seems CPU bound, digikam hogs one of the cores but IO seems pretty
low. If using mysql, mysql will also use a full core for during renaming.
Haven't valigrind'ed anything yet... I hope to find out how to do this to
provide some usefull feedback.

I wonder if none of the core developers have this issue?

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