[Digikam-devel] [digikam] [Bug 327815] New: Batch operations on a large number of pictures eats up all RAM

[matteo.fortini at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=327815

            Bug ID: 327815
           Summary: Batch operations on a large number of pictures eats up
                    all RAM
    Classification: Unclassified
           Product: digikam
           Version: 3.5.0
          Platform: Debian unstable
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Batch Queue Manager
          Assignee: digikam-devel at kde.org
          Reporter: matteo.fortini at gmail.com

When I start a batch operation on many files, like thumbnailing a quite large
collection (41GB), Digikam starts to increase both its virtual memory and
resident memory usage, up to the point in which I have to kill it, since the
system starts thrashing (I have 8GB of RAM).

Reproducible: Always

Steps to Reproduce:
1. add a large collection of pictures as a source
2. request tools->maintenance->thumbnail creation
3. look at RAM using top
Actual Results:  
VM and RSS RAM usage starts increasing.

Expected Results:  
Use smaller batches to avoid filling up all RAM

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