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From: Markus Schaber <schabi@logix-tt.com>
To: Zydoon <fzied@planet.tn>
Cc: pgsql-performance@postgresql.org
Subject: Re: scaling up postgres
Date: Wed, 21 Jun 2006 09:31:22 +0200
Message-ID: <4498F5CA.9050602@logix-tt.com> (raw)
In-Reply-To: <448DE0DB.1020107@planet.tn>
References: <200606030931.k539V38Y007877@smtp2.planet.net.tn>
	<20060603094355.GA23297@uio.no>
	<1150062140.23423.0.camel@localhost.localdomain>
	<448D3B65.7090709@aeccom.com>
	<448DE0DB.1020107@planet.tn>

Hi, Zydoon,

Zydoon wrote:

> Now I'm trying to make my tests, and I'm not that sure I will make the
> switch to the PSeries, since my dual xeon with 4 G RAM can handle 3500
> concurrent postmasters consuming 3.7 G of the RAM. I cannot reach this
> number on the PSeries with 2 G.

This sounds like you want to have one postgresql backend per apache
frontend.

Did you try running pgpool on the Apache machine, and have only a few
(hundred) connections to the backend?

Maybe http://en.wikipedia.org/wiki/Memcached could be helpful, too.


Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org



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