In my recent experience finding a distro that wouldn't lock up on my 
machine, I had the problem of akonadi slowing my machine so much it acts 
almost as if it's locked up. Even on slackware 14 it was a problem.  A 
minute or two after starting kde, the system stopped doing whatever it 
was doing.  I would press ctrl+esc to bring up the system activity 
window and I would literally have to wait a minute or two before it 
appeared. Every time there were 4 or 5 processes with akonadi in the 
name that together consumed 8GB of memory.  Once I closed them the 
system returned to normal.  A few days ago I figured out how to disable 
them.  I've had no problems since.

On 01/09/2013 11:52 AM, Brian Cluff wrote:
> It used to be true that it could eat your system alive, these days 
> it's mostly transparent, and when 4.10 is released next month it 
> contains a major rewrite of the whole system and should be even more 
> transparent.
>
> If you leave it enabled, it can do a lot of really neat things like 
> let you search for files based on their contents and tag files with 
> all sorta if information.  For instance you can tag your pictures with 
> information that would allow you to quickly find pictures of people, 
> places and things from all over your hard drive.  In fact if you use 
> Digikam, it has the ability of automatically tag new images of people 
> based on facial recognition of people you have previously tagged.
> The KDE programs automatically add all sorts of info, so you could 
> even find files based on where they came from, so when you save 
> attachments in kmail they are tagged with where they came from, so you 
> could search for libreoffice files that came from person@place.com 
> with the words "dog" in the document.  All pretty cool.
> It does a lot more, but those are some of the highlights.  I used to 
> turn it off because it had a tendency to eat enough system resources 
> to become noticeable, but that was a couple of years ago.  These days 
> I just leave it turned on, and I never notice it indexing anymore.
>
> Brian Cluff
>
> On 01/09/2013 10:55 AM, joe@actionline.com wrote:
>> Does anybody use Akonadi, Nepomuk, Strigi, Soprano, Virtuoso ?
>>
>> What is the purpose and benefit of all this stuff?
>>
>> Doing "locate akonadi" on my system found more than 200 files.
>>
>> Is there any good reason not to get rid of any and/or all of this stuff?
>>
>> I have read that they just eat up space and memory and cause one's 
>> system
>> to run slower.
>>
>> Where can I find a list of other changes I could make to make my systems
>> less cluttered and more efficient?
>>
>>
>>
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Patrick Moore