From: | Igor Kovalenko <Igor(dot)Kovalenko(at)motorola(dot)com> |
---|---|
To: | Luis Alberto Amigo Navarro <lamigo(at)atc(dot)unican(dot)es> |
Cc: | bruc(at)acm(dot)org, tgl(at)sss(dot)pgh(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Fw: Fw: bad performance on irix |
Date: | 2002-03-20 20:33:52 |
Message-ID: | 3C98F230.D2B50A4@motorola.com |
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Thread: | |
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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