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Re: Press Release, Final Draft?

From: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
To: Rod Taylor <pg(at)rbt(dot)ca>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>,Neil Conway <neilc(at)samurai(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>,Postgresql Advocacy <pgsql-advocacy(at)postgresql(dot)org>
Subject: Re: Press Release, Final Draft?
Date: 2004-09-22 23:27:36
Message-ID: 20040922232736.GB19749@dcc.uchile.cl (view raw or flat)
Thread:
Lists: pgsql-advocacy
On Wed, Sep 22, 2004 at 07:08:52PM -0400, Rod Taylor wrote:

> I cannot answer these because I've not tested all workloads under
> different configurations. For my workload on 2 to 4way machines, Pg on
> 8.0 configured similarly to 7.4 was a touch slower (5% or so).

One difference between 7.4 and 8.0 is that the latter has 4 bytes more
per-tuple overhead (the "field compression" done by Manfred Koizar on
7.3 was lost due to subtransactions).  This change alone can make an
important difference, and will affect everyone, in all situations.

-- 
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"¿Qué importan los años?  Lo que realmente importa es comprobar que
a fin de cuentas la mejor edad de la vida es estar vivo"  (Mafalda)


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