Actually, I don't think this bug is fixed at all.
When scanning text documents (at 300 dpi), around 15 pages consumes
about 500 to 900 MB of memory. If I continue scanning, eventually the
program will run out of memory, and crash, therefore all the work will
be lost.
Furthermore, sometimes the crash happens while saving, which is the
point when the memory usage peaks, getting an increase of some hundred
MBs. So, saving frequently does not eases the problem.
Finally, neither deleting pages, nor clicking on the button "Start a new
document" free any memory. That memory is also not reused. The only way
of being able to scan more pages, is closing the program and opening a
new instance.
Therefore, this is just a huge memory leak.
My workaround for the time being is just to scan documents in batches of
15 pages, saving into different pdf files, closing the program and
opening it again, and then merge the different files with pdftk:
pdftk inputfile1.pdf inputfile2.pdf inputfilen.pdf cat ouput
outputfile.pdf
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https://bugs.launchpad.net/bugs/525441
Title:
Reduce memory usage
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