Re: New Control Centre

[jamie <jamiemcc blueyonder co uk>]

On Tue, 2007-02-06 at 11:26 -0300, Claudio Saavedra wrote:
> Quoting jamie <jamiemcc blueyonder co uk>:
> 
> > > > 
> > > > Yes and its fairly easily fixed with tracker once I add .desktop file
> > > > indexing to it
> > > 
> > > They are already indexed in beagle, so it would be fairly easy to do
> > > this with libbeagle right now, but you'd still have to mimic all the
> > > tree building code with the categorizations in gmenu.
> > 
> > 
> > you would not have to do that with tracker - you could just say get me
> > all apps in category X or app starts with "ev*". 
> > 
> > A sql database is much faster and useful for that than a lucene based
> > indexer like Beagle. 
> > 
> > Sqlite uses btrees so theres no need to maintain trees in memory when
> > you use the right technology. 
> > 
> > (lucene/beagle uses hashtables and is not comparable to an btree based
> > sql database. Hashtables are useless for wildcard searches whereas
> > btrees are fully optimised for this as they store stuff in alphabetic
> > order as opposed to being randomly distributed in a hash)
> 
> Is this turning to yet-another-beagle-v/s-tracker discussion? Please...

no this is a "dont use an indexer as a database substitute"!

the output from beagle could be put into an sqlite DB so that an
in-memory tree is not needed - that would be the correct way to avoid
storing everything in memory and retain speed.

jamie.