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From: Stefano Nichele <stefano.nichele@gmail.com>
To: pgsql-performance@postgresql.org
Subject: db server load
Date: Fri, 12 Dec 2008 11:07:08 +0100
Message-ID: <494237CC.8020001@gmail.com> (raw)

Hi All,
I would like to ask to you, how many connections a db server can handle. 
I know the question is not so easy, and actually I don't want to known a 
"number" but something like:
- up to 100 connections: small load, low entry server is enough
- up to 200 connections: the db server starts to sweat, you need a 
dedicated medium server
- up to 300 connections: hard work, dedicated server
- up to 500 connections: hard work, dedicated high level server

I would like just to understand when we can talk about small/medium/high 
load.

At the moment I'm using a quad-proc system with a 6 disk 1+0 RAID array 
and 2 separate disks for the OS and write-ahead logs.

Thanks
ste



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