Akonadi acting up (again)

Kevin Krammer krammer at kde.org
Fri Sep 27 15:07:26 BST 2013

On Monday, 2013-09-16, Frank Steinmetzger wrote:
> On Mon, Sep 16, 2013 at 11:38:40AM +0200, Kevin Krammer wrote:
> > Hi Frank,
> > 
> > On Monday, 2013-09-16, Frank Steinmetzger wrote:
> > > On another machine I had the same symptoms at first, but then it
> > > behaved again. But that was a 32 bit system.  On my current main 64
> > > bit machine, it just isn't happening. Akonadi has been clogging the
> > > CPU for 20 minutes now. Closing the KMail or Kontakt window doesn't
> > > help, the CPU load is still there. I have to kill the KMail/Kontact
> > > process which still lingers in the background, only then will Akonadi
> > > return to being quiet.
> > 
> > That sounds a lot like the problem being in KMail or in something that
> > KMail does.
> > It not exiting on quit is a hint that there is some active action inside
> > it that inhibit application exit, e.g. some long running job.
> > Also, the fact that killing it stops the observed CPU usage again
> > suggests that it is the origin of the load.
> > 
> > I am not sure how best to check what it is doing right there.
> > One thing you could try is to run akonadiconsole before launching KMail
> > and then check the Job Tracker tab when the high usage occurs and look
> > which type of job is reported as running for KMail.
> Ah, being a regular user, I didn't know of the job tracker yet. :)
> It shows thousands of Akonadi::CollectionFetchJob being entries being
> created and processed.

I recently came across a code review request that fixes a bug that sounds a 
bit like that. It is triggered in situations when, if I remember correctly, 
the number of favorite folders goes beyond 10.

Might that be the case for you?


Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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