Makes me wonder... perhaps now someone will be convinced to take a look at the POSIX IPC patch. On some platforms (not on Linux I am afraid) POSIX mutexes might be quite a bit faster than SYSV semaphores.
Luis Alberto Amigo Navarro wrote: > > 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 ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])