Hi all: again on performance, here is an extract from an 8 read-only queries, notice that total time is 179s and it is expending about 80secs only in semaphores Isn't there any other way to improve ipc-locks? thanks and regards.
---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html