Re: optimizing Postgres queries

David Teran <david.teran@cluster9.com> writes:
> Much better. So i think i will first read more about this optimization
> stuff and regular maintenance things.

See http://www.postgresql.org/docs/7.4/static/maintenance.html

> Is there any hint where to start to understand more about this
> optimization problem?

http://www.postgresql.org/docs/7.4/static/performance-tips.html

            regards, tom lane