Hi Oleg, thanks for your quick reply!
Oleg Bartunov wrote:
> you cache is too low :) Try to increase shared_buffers, for example,
> for 2Gb I'd set it to 100,000
Ok, I set shared_buffers to 100000 and indeed it makes a big
difference. Other queries than the ones I mentioned are faster, too.
Thanks very much for your help,
- Stephan