Re: Writting a "search engine" for a pgsql DB

[Charles Sprickman <spork(at)bway(dot)net>]

On Tue, 27 Feb 2007, Dave Page wrote:

> Magnus Hagander wrote:
> > Just as a datapoint, we did try to use mnogosearch for the
> > postgresql.org website+archives search, and it fell over completely.
> > Indexing took way too long, and we had search times several thousand
> > times longer than with tsearch2.
> >
> > That said, I'm sure there are cases when it works fine :-)
>
> There are - in fact before your time the site did use Mnogosearch. We
> moved to our own port of ASPSeek when we outgrew Mnogo's capabilities,
> and then to your TSearch code when we outgrew ASPSeek.

At risk of pulling this way too far off topic, may I ask how many 
documents (mail messages) you were dealing with when things started to 
fall apart with mnogo?  We're looking at it for a new project that will 
hopefully get bigger and bigger.  We will be throwing groups of mailing 
lists into their own mnogo config/tables...  If we should save ourselves 
the pain and look at something more homebrew, then we'll start 
investigating "Tsearch".

Thanks,

Charles

> When we outgrow PostgreSQL & Tsearch2, then, well, we'll need to stop
> pretending to be Google...
>
> /D
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend