[Nepomuk] Latency and file list

[Artem Serebriyskiy]

15.08.2011 1:04 пользователь "Rainer Dorsch" <ml at bokomoko.de> написал:
>
> Artem,
>
> many thanks for your quick and very useful reply.
>
> Am Monday, 8. August 2011 schrieben Sie:
> > > Can I get a list of files, which is in my strigi index? I am aware of
> > > ~/.kde/share/config/nepomukstrigirc but I would rather want to see a
log
> >
> > or
> >
> > > index dump which confirms what really went in? Also is a way to
determine
> >
> > how
> >
> > > much data from a certain part of the file system went into the index?
> > > This would be useful for me to understand, where it is worth to
finetune
> > > the
> >
> > search
> >
> > > patterns in ~/.kde/share/config/nepomukstrigirc ...
> >
> >  One possible way is cmd: nepomukcmd query "select ?r ?u where { ?r
nie:url
> > ?u }". It will give you all resources with URL. You need only file://
urls.
> > Most likely all of them added by strigi. There exists more exact query
if
> > you need them.
>
> I did not have nepomukcmd defined on my system, but found on
>
>
http://techbase.kde.org/Development/Tutorials/Metadata/Nepomuk/TipsAndTricks#nepomukcmd
>
> a definition
>
> alias nepomukcmd="sopranocmd --socket `kde4-config --path
socket`nepomuk-socket
> --model main --nrl"
>
> which worked for me.
>
> Indeed I got a list of 24k files
>
> rd at blackbox:~$ nepomukcmd query "select ?r ?u where { ?r nie:url?u }"|grep
> file:| wc -l
> Total results: 36227
> Execution time: 00:00:00.2
> 24022
> rd at blackbox:~$
>
> In system settings, Desktop Search displays that more than 30k files are
> indexed. Does anybody know where the difference >30k vs 24k files comes
from?
I dont. May be it is files inside archvies, mail attachements. No real idea
though.
>
> I just found the tutorials on
>
> http://nepomuk.kde.org/node/2
>
> very nice!
>
> Is
>
http://techbase.kde.org/index.php?title=Development/Tutorials/Metadata/Nepomuk/AdvancedQueries
> the best description to start understanding the query langugage?
Well, I would recommend reading W3C SPARQL recomendation first,
paragraph2-prgrph5.
>
> > What does 'how much data' mean ? What is the mesurement unit - RDF
> > statement
>
> System Settings tells me, that I have a Nepomuk Store Size of 1.2 GB. That
> seems too much to me... I would be interested to see how these 1.2 GB
break
> down.
I haven't heard about such utility. Try asking on IRC. If there isn't one,
you may write it yourself :) It will be usefull, I suppose.
> E.g. I know that I have many images indexed, maybe I should take them
> out of the index (the tags probably come from the digikam database(?) not
even
> the files themselves).
Nope, you should not :) 1.2GB is really small on modern HDD and we are
really trying to make it be 1.2 GB of win, not waste.
>
> Many thanks,
> Rainer
>
> --
> Rainer Dorsch
> http://bokomoko.de/
> _______________________________________________
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> Nepomuk at kde.org
> https://mail.kde.org/mailman/listinfo/nepomuk
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