The iostat -c says about 8% of time waiting for IO. I'm afraid this is due to locks between concurrent queries, is there anyway to have more info about?
I do believe that if you told what OS you're running, what pg-version you're running, what type of sql-statements you perform the list can provide some help. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq