> Quite possibly, but it could be any of a number of other things,
> like a type mismatch. It might be best to rule out other causes. If
> you post the new query and EXPLAIN ANALYZE output, along with the
> settings you have now adopted, someone may be able to spot
> something. It wouldn't hurt to
Ghislain ROUVIGNAC wrote:
> Memory : In use 4 Go, Free 15Go, cache 5 Go.
If the active portion of your database is actually small enough
that it fits in the OS cache, I recommend:
seq_page_cost = 0.1
random_page_cost = 0.1
cpu_tuple_cost = 0.05
> I plan to increase various parameters as follow: