Re: Fw: Fw: bad performance on irix
igor.kovalenko@motorola.com
From: Igor Kovalenko <Igor.Kovalenko@motorola.com>
To: Luis Alberto Amigo Navarro <lamigo@atc.unican.es>
Cc: bruc@acm.org, tgl@sss.pgh.pa.us, pgsql-hackers@postgresql.org
Date: 2002-03-20T20:33:52Z
Lists: pgsql-hackers
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