https://bugs.kde.org/show_bug.cgi?id=374608
Johannes Zarl-Zierl <johan...@zarl-zierl.at> changed:
What |Removed |Added
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CC| |johan...@zarl-zierl.at
--- Comment #1 from Johannes Zarl-Zierl <johan...@zarl-zierl.at> ---
The screenshot you posted shows that not a single core of your system is near
100%. This means that your real problem is filesystem performance.
Using more cores for the scanning would make things worse in your specific
case.
How many image files are we talking about? What kind of storage do you use?
Reading the meta-data from all your files means that kphotoalbum (and any other
comparable program) needs to read every single image file (often in a
non-sequential way). If you run "iotop" as root, you should see that your disk
IO is busy.
For reference: On my (not quite as powerful) computer, deleting my database and
rebuilding it from scratch causes the a single core to run at 5% of its
capacity, while the disk subsystem has an IO load of ~ 60% (6-8Mb/s).
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