[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

[davidblunkett]

https://bugs.kde.org/show_bug.cgi?id=338571

davidblunkett <dav1dblunk3tt at hotmail.com> changed:

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                 CC|                            |dav1dblunk3tt at hotmail.com

--- Comment #32 from davidblunkett <dav1dblunk3tt at hotmail.com> ---
I'm not sure if this is the issue I have but since switching from kubuntu 14.04
to 16.04 kmail has become extremely slow retrieving emails - it seems to cache
a couple but beyond that seems to be constantly going back to the imap server
to grab things it has grabbed just two minutes ago - I'm now spending far more
time looking at a blank pane show "retrieving folder contents" than actually
doing anything.

IIRC in the previous version I might have a small delay while a big email was
downloaded for the first time but everything was pretty snappy after that.

As an example - I'm currently trying to view an email I looked at an hour ago -
it still hasn't been shown and I started this bug report <after> I started
waiting.  Hold on - it's arrived.

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