[Kde-pim] Review Request 111469: Don't use 1.5 GB of memory when importing big maildir

Commit Hook null at kde.org
Thu Jul 11 11:41:37 BST 2013


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http://git.reviewboard.kde.org/r/111469/#review35854
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This review has been submitted with commit 53f531d54d0e408e94c699068d8f9f462f5778f9 by Sergio Martins to branch KDE/4.11.

- Commit Hook


On July 11, 2013, 9:51 a.m., Sergio Luis Martins wrote:
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/111469/
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> (Updated July 11, 2013, 9:51 a.m.)
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> 
> Review request for KDEPIM and Volker Krause.
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> Description
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> The code was creating 70k ItemCreateJobs first, and then starting them all. That makes mem usage reach a peak of 1.5GB here.
> It does have code to do one event loop iteration every 20 e-mails, but that only makes it fire one ItemCreateJob, so they pile up anyway.
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> Solution is to throttle ItemCreationJob creation.
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> CPU-wise, this solution and the old one are equivalent, they are both equally fast.
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> Diffs
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>   resources/maildir/retrieveitemsjob.cpp 6afedec 
>   resources/maildir/retrieveitemsjob.h dfc7095 
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> Diff: http://git.reviewboard.kde.org/r/111469/diff/
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> Testing
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> Imported a big maildir. Mem goes to 60MB max
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> 
> Thanks,
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> Sergio Luis Martins
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>

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