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.
> 
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