[Digikam-devel] [digikam] [Bug 323888] New: Face recognition makes digikam fill all the available memory

[Alberto]

https://bugs.kde.org/show_bug.cgi?id=323888

            Bug ID: 323888
           Summary: Face recognition makes digikam fill all the available
                    memory
    Classification: Unclassified
           Product: digikam
           Version: 3.3.0
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Face Management
          Assignee: digikam-devel at kde.org
          Reporter: alberto.ferrante at tiscali.it

When recognizing faces on large albums, after a while the recognition.db starts
growing a lot, up to 200-something MB. After that size face recognition becomes
impossible: for each modification, while digikam updates the face DB, it fills
all available memory (28GB on my system, including swap space) and then it gets
terminated by the OS.

Reproducible: Always

Steps to Reproduce:
1. Use a large set of photos (15-20'000 in my case)
2. Perform face detection
3. Tag people
4. Perform face recognition
Actual Results:  
The program starts filling all available memory and gets terminated by the
operating system

Expected Results:  
Update the face db and recognize faces

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