to my knowledge PostgreSQL is not multi-threaded.
PHP appliations don't support threads or multiple processes; Perl supports multiple 
processes and, especially in 5.6 (and some development
versions before it) threads.
Your gain from SMP under such situation is the application has a cpu for itself
and all the system overhead processes run on the other cpu.

I think PgSQL is thread-safe but someone like Bruce Momjian would know for sure.


----- Original Message ----- 
From: "Lo�c TREGOU�T" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 22, 2000 1:50 PM
Subject: [ADMIN] smp , php and postmaster distant


> Hie ,
> 
> 
>     I have put a database on a 2 processors db server . (2 * PII 450 Mhz
> with 512 Mo RAM)
> 
>     This server is distant from the web server .
> 
>     I've a php3 interface and , i've seen some big loose of performance
> .
> 
>     The request are longer when i use the bi-processor .
> 
>     Is it due to the distant server or do i need some configurations to
> postmaster to accept multi prcocessors ?
> 
>     The web server and the database server are link with a 100Mbit link
> !
> 
>                                                             thanks for
> all

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