pano wrote:It seems like I solved it by deleting my "~/.kdemod4/share/apps/nepomuk" directory and the nepomuk config files in "~/.kdemod4/share/config/". Luckily I previously had no real/usable/valuable "nepomuk data".

It now looks like it works…

Thanks, that's what worked for me when it broke after upgrading to 4.4 from rc3.

Cheers
Steve

With Virtuoso 5 nepomuk seemed to work fine, now that i've updated to 6.1 (and deleted my db) searching in dolphin works but nepomuk runner seems broken: sometimes it works fine, sometimes (with same queries) it doesn't show me any result.
I'm the only one with this problem?

Mar91 wrote:The problem has been solved:) there was a little bug in shared-desktop-ontologies.
Now nepomuk fully works under all distros

I have installed KDE SC 4.4 in Kubuntu and search in Dolphin doesn't work. I checked the "shared-desktop-ontologies" and it isn't even installed! Shouldn't Kubuntu have installed that package automatically?

Well, I've manually installed "shared-desktop-ontologies" and after messing a bit with ".kde" and ".local/akonadi" directories... Nepomuk search in Dolphin works!

I'm not really sure what it was that did it but it's certainly possible to get it to work in Kubuntu.

Thanks everyone for your contribution!

Naproxeno wrote:I checked the "shared-desktop-ontologies" and it isn't even installed! Shouldn't Kubuntu have installed that package automatically?

Fix uploaded, waiting to be built

Who marked this thread solved?
It is definetely not solved here and I don't see an answer provided. Ubuntu isn't the only distro out there.

The original poster marked this topic as solved long ago.

Only the original poster, Forum moderators and Global Moderators can mark topics as solved.
All Administrators are members of the Global Moderators group.

Oh sorry, I was a bit too fast.

Have you checked out all the issues and solutions documented at http://userbase.kde.org/Akonadi ?

I'm the OP... Funny to see that this thread has gone on this long I marked it as solved back then because some one explained to me why it wasn't working at that time.

I have since upgraded to 4.4 SC and I did get Nepomuk to work... also with Akonadi. I had to start with a fresh ~/.kde4, otherwise there were all kinds of issues. But I wasn't really impressed. My main problem was the resource usage which I found too high to warrant keeping it enabled... compared to how often I use it. Just today after getting fed up with it, I decided to throw out Akonadi and Nepomuk. My system runs much leaner now.

Going from topping out 1.5GB of RAM to filling up my RAM *and* 1.5GB of swap with Nepomuk enabled just isn't worth the extra functionality... which can be achieved by organizing your stuff and mlocate. I do see the idea behind it and hope the whole Semantic desktop matures quickly because that is the kind of Desktop we need in this day and age.

/rant

BTW, I run Arch

Note that you may wish to try disabling Strigi if you get that kind of usage. Which Akonadi / Nepomuk processes in particular were using large quantities of memory?

Sorry... I had some ps outputs saved to a text file showing what processes were using how much RAM... but I deleted them.

What I remember was that I had maybe around 10 Nepomuk child processes running at any one time. And there was this other process 'virtuoso-t' that would use 100% CPU on at least one of the CPU cores every 10 mins or so... and it would cause a lot of hard disk activity. So much that even Alt+Tabbing while this was happening was painfully slow. The build up in RAM use occurs over time... after around 2 day uptime is when it gets unbearable.

What I found strange was that most of the Nepomuk processes ran with Nice 0. I think it would be better if they ran at Nice 19... so at least the apps I am running will get priority.

I would definitely like to help but it is a pretty annoying thing to have when you are trying to get some work done. If you can let me know exactly what info you require I can try to get that to you.

Thanks for your work on KDE!

@annew:
Yeah, I read all that on the page and some things seemed familiar. In the end I deleted once again all the stuff related to nepomuk. Since that happens frequently I do not see why I should start using tags which I would really love.
Searching for files in krunner interface is still not working. Usually nothing happens.

Regarding akonadi/nepomuk I kind of lost track of which service need which to be able to run. Akonadi is very confusing with all the possibilities to create all different kinds of calenders, addressbooks and so on. Once I was using the google connector (stopped working after 3 weeks) and since then two of my calendars, which are in files, are always shown as google-akonadi resources. I can only change properties from akonadi interface but not from korganizer which works for three other calendar files. To be honest it is driving me crazy. I is very far from beeing intuitionally usable.

Well, I just saw that, after a restart, nepomuk does not start again and therefore no akonadi. At least I see this window with akonadi start errors. Akonadi tray tells me that it is running. It starts to be annonying.

Hi, I've also problems with Nepomuk.

The problem is that , even if the database has been created successfully , I can't make any kind of nepomuk related search with Krunner or Lancelot.

I've enabled (it was enabled by default) the "nepomuk search plugin" in Krunner, but it still doesn't find anything.

Searching in dolphin with "nepomuksearch:/thing to find" works as expected.