Re: TSearch2 and optimisation ...

Le Jeudi 26 Août 2004 19:48, Josh Berkus a écrit :
> Herve'
>
> > (cost=0.00..4052.84 rows=1351 width=166) (actual time=109.766..5415.108
> > rows=139 loops=1)
> >                      Index Cond: (idxfti @@ '\'postgresql\''::tsquery)
> >                      Filter: (idxfti @@ '\'postgresql\''::tsquery)
> >
> >From this, it looks like your FTI index isn't fitting in your sort_mem.
>
> What's sort_mem at now?  Can you increase it?

shared_buffers = 3000
sort_mem = 10240

> Overall, though, I'm not sure you can get this sub-1s without a faster
> machine.   Although I'm doing FTI on about 25MB of FTI text on a
> single-processor machine, and getting 40ms response times, so maybe we can
> ...

Sorry I missed understand what you mean here ...
You tell me to upgrade the hardware but you manage a 25 Mb with a single
processor ?? What you mean ?
My database is about 450 Mb ...

Regards,
--
Bill Footcow