[kmail] [Bug 185818] extremely slow IMAP performance, displaying mails takes minutes

[Michael D]

https://bugs.kde.org/show_bug.cgi?id=185818

--- Comment #16 from Michael D <nortexoid at gmail.com> ---
(In reply to Gunter Ohrner from comment #15)
> (In reply to Michael D from comment #14)
> > Kmail2 can still be pretty slow at showing emails, especially ones just
> > downloaded, at least if "Download all messages for offline use" is
> > UNchecked. This is version 4.81 beta 1.
> 
> *This* bug specfically concerns slowdows caused by remembered searches and
> can be worked around as described above if it happens.
> 
> kMail / Akonadi currently does have other severe performance issues, though,
> which can cause delays up to several minutes simply after switching folders
> until kMail is fully usable again. See the following bugs for example, maybe
> the behaviour you're experiencing is somehow related to one of those:
> 
> https://bugs.kde.org/show_bug.cgi?id=338571
> https://bugs.kde.org/show_bug.cgi?id=352604
> 
> Cionsidering the age of bug 338571 my hope's not too high that it might be
> fixed anytime soon, though...

Thanks for the bug links. I've enabled "Download all messages for offline use"
on all my computers now because the performance difference is night and day.
What isn't clear is whether that means it will download messages from every
subscribed imap folder (including my huge "All Mail" folders in gmail), or just
the inbox. Does anyone know?

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