KMail painfully slow... why?

[Daniel Vrátil]

On Thursday 19 of September 2013 10:28:42 fedora at howlingfrog.com wrote:
> While I've had no end of grief w/kmail2 after it switched to akonadi and
> have never been able to get search working, something else has popped up
> lately.
> 
> Over the last two or three months, kmail2 has gotten *PAINFULLY* slow at
> doing just about anything.  Click to switch from one message to another,
> and sometimes I can wait as long as 90s before the UI updates.  Don't even
> get the "loading" screen, just waiting before it does anything.

When this happen, could you please attach gdb to the kmail process and get a 
full backtrace? Please install at least kdepim-debug and kdepimlibs-debug.

Also enabling "Debugger" in Akonadi Console might shed some light on what's 
happening in the background that takes so long.

> Only thing I've seemed to find that even helps at all is to log out and log
> back in again.  Its then good for most of the day but by late afternoon
> things are bogging down again and I just close it and go back to logging in
> directly to my mail server and using "pine".
> 
> Nepomuk is running, and is configured for e-mail indexing.  Akonadi is
> running, but isn't complaining about any problems.
> 
> When the problem occurs, its *not* CPU bound, so I'm pretty sure that its
> not the feeder/indexer hogging resources.  Something, however, seems to be
> blocking and holding kmail2 up.
> 
> Anyone got any suggestions?

-- 
Daniel Vrátil
KDE Desktop Team
Associate Software Engineer, Red Hat, Inc.

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