Batch Processing Speed

[Gilles Caulier]

Hi Martin,

Sounds like the time latency is relevant to the database lock. Do you
use digiKam under Windows ? If yes, probably an external program lock
file system, as a n anti-virus stuff for ex.

Please also capture the debug traces at run time. It's explained in
details at this url :

https://www.digikam.org/contribute/#freezes-and-other-run-time-issues

We will see where the problem occurs exactly.

Best regards

Gilles Caulier

Le mer. 3 sept. 2025 à 17:44, Martin Schwarz
<martin.schwarz at rhomberg.at> a écrit :
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> Dear digiKAM Users,
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> I am wondering if you can help me to find a way to speed up batch processing significantly.
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> Currently, we need to process hundreds of images and we fin it very challenging to handle the batch processing lists.
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> It takes very long to load the list of selected images before I can add commands to the selected files. Then it takes also a significant amount of time to wait until the commands.
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> What wonders me most is that when I like to delete a batch list it takes almost the same to than to set up the list.
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> It would be really great to get some hints to speed up the process over all. Perhaps it is also possible to think about a significant speed gain by handling the batch lists in memory rather than store them in a file.
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> All tips are highly appreciated by you.
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> Nonetheless, I like to thank you for developing and enhancing such a marvellous piece of software!
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> Martin