[Kde-pim] Review Request: Disable contact searching in message viewer

[Anders Lund]

Hi Vinesh,

Good to know you start looking at theese things! I follow the relevant mailing 
lists, so I am aware of what happens. I had to switch off email indexing on my 
netbook in order to even use it, but I think I will build master on a PC I 
recently got, to try and test that.

Anders

Fredag den 2. november 2012 07:39:47 skrev Vishesh Handa:
> On Thu, Oct 25, 2012 at 11:39 AM, Andras Mantia <amantia at kde.org> wrote:
> > Anders Lund wrote:
> > > But if the problems stays, will someone work on them? It's been like
> > > this
> > > for a long time now, and the issues in this request is just a few of a
> > > myriad of problems between akonadi and nepomuk.
> 
> I don't think any of the Nepomuk developers have ever looked at the pim
> code. I'm starting to run PIM full time now, even though I still don't use
> kmail, akonadi is at least running. So I am starting to face some of the
> problems you have.
> 
> I'll try to fix whatever I can.
> 
> > Vishesh, the nepomuk developer promised to look at the contact search
> > problem. But that will affect only 4.10, as 4.10 uses Nepomuk2, while 4.9
> > Nepomuk1.
> > So I suggest to keep the workaround in 4.9.
> > 
> > BTW, here is a bug report about it:
> > https://bugs.kde.org/show_bug.cgi?id=288364
> 
> Just to keep you updated. I've pushed the optimized versions of contact
> search job queries to master. Please let me know if you still encounter
> performance problems with it.
> 
> Because of the nature of the ontologies (read db schema in Nepomuk) the
> queries are slightly complex. If performance is still a problem, then the
> ontologies will have to be changed. The Nepomuk Ontology people won't like
> it, but we don't have a choice. This would be the last option. Ideally, we
> should run it through a profiler and see if virtuoso is actually the
> bottleneck.
> 
> > > Today is one of those days where I seem to have to shut down akonadi if
> > > I
> > > need to use my pc. Only, some of the stuff I want to do is answer mails
> > > and use my calendar...
> > > 
> > > I have spent hours waiting for a window where I can do that during the
> > > day.
> > > 
> > > Often, while nepomuk/virtuoso-t is running wild, I can not find any
> > > running jobs in akonadiconsole. But as soon as I shut down akonadi (or
> > > at
> > > least after a few minutes) neopmuk and virtuoso-t cools down, and things
> > > becomes normal.
> > 
> > You can also debug somewhat what causes the Nepomuk slowdown. Here are
> > some
> > tips:
> > 
> > http://techbase.kde.org/Projects/Nepomuk/VirtuosoInternal#Common_Commands
> > 
> > The status() method in the virtuoso command line is the interesting when
> > things slow down to find out the query that causes the slowdown.
> 
> Right now there are 2 main problems that I know of -
> 
> 1. Email Indexing - It's very slow. Christian and I are looking into it,
> but you'll have to give me some time. The hard feature freeze is in a week,
> and I still have to finish a couple of features. This clearly counts as a
> bug fix, so I can always work on it.
> 
> I will try and optimize it as much as I can before 4.10 releases.
> 
> 2. Nepomuk Queries via QueryService - Due to certain things in the nepomuk
> internal query engine, there were some complicated joins being added to
> each query. I've pushed a fix for this in nepomuk-core on Monday. It should
> help a lot. Unfortunately, it required a lot of changes in nepomuk and I
> would not be comfortable backporting them.
> 
> > Andras
> > _______________________________________________
> > KDE PIM mailing list kde-pim at kde.org
> > https://mail.kde.org/mailman/listinfo/kde-pim
> > KDE PIM home page at http://pim.kde.org/
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