Review Request: Kinda fixes "memory leak" caused by comic plasmoid

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This review has been submitted with commit ae06eee1733655d408b2ec6cca0b783f94df7e82 by Matthias Fuchs.

- Commit


On April 7, 2011, 3:46 p.m., Matthias Fuchs wrote:
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> (Updated April 7, 2011, 3:46 p.m.)
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> Review request for Plasma and Aaron J. Seigo.
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> Summary
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> The comic plasmoid uses prefetching by calling Plasma::DataEngine::query(source).
> Yet apparantly these created sources do not get removed automatically (?) causing an increase of memory usage the more comics are viewed.
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> E.g. looking at 15 strips of Lackadaisy that had not been cached before caused a memory usage of 114 MB for the plasmoidviewer. The patch reduces the usage in the same case to 52.9 MB. Each of these comics has a size between 1.2 MB and 2.6 MB.
> So please comment on the patch! :)
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> I wonder why it is still that high with the patch after looking at some comics, so if you can help to reduce that further that would be great.
> Further I wonder if some of the perceived "plasma mem leak" reports are caused by the way the comic plasmoid works.
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> Diffs
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>   applets/comic/comic.cpp 3785f4f 
>   dataengines/comic/comic.cpp 09bbafd 
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> Diff: http://git.reviewboard.kde.org/r/101046/diff
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> Testing
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> Thanks,
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> Matthias
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