[digikam] [Bug 479711] Find new items at startup very slow (Mac)

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=479711

Maik Qualmann <metzpinguin at gmail.com> changed:

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                 CC|                            |metzpinguin at gmail.com

--- Comment #1 from Maik Qualmann <metzpinguin at gmail.com> ---
How a log is created under macOS is described here:

https://www.digikam.org/contribute/

Well, 90,000 images isn't that much. In a normal scan, we read the file date
information from all of these images. In a quick scan, only the file date
information of the albums (folders), so probably only 1-5 thousand date
information. If even that takes a long time, something must be very wrong. The
code for the scan function is actually already highly optimized, I don't see
any potential there anymore. There is of course the possibility that there is
poor interaction between Qt and macOS or something else. I'll add a debug this
weekend that will output the current number of files processed per second.

What also surprises me and I have read several times is that it is hardly
possible to work with digiKam during the scanning process. After all, the
scanning process runs in its own thread.
I just added a large external hard drive to my Windows test computer today with
initial scan. I was able to work with digiKam without any problems.

Maik

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