Can you share the full query and output of EXPLAIN ? Not much data here yet. On Mon, May 9, 2016 at 6:58 AM Sterpu Victor <vic...@caido.ro> wrote:
> I have a big query that takes about 7 seconds to run(time sending the data > to the client is not counted). > Postgres uses 100% of 1 CPU when solving this query. I tried to run the > query on a HDD and on a SSD with no difference. HDD show about 10% usage > while the query runs. > > The query has a big "select" list and no "group by" clause. If I delete > all selects except one the query runs in under a second(it doesn't matter > what field remains selected). > It seems that the query is slow because of the long select, can I do > something to make the query faster? > > Thank you. > >