From: Richard Huxton <dev@archonet.com>
To: Campbell, Lance <lance@uiuc.edu>
Cc: Francisco Reyes <lists@stringsutils.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL Configuration Tool for Dummies
Date: Tue, 19 Jun 2007 18:09:56 +0100
Message-ID: <46780DE4.1010007@archonet.com> (raw)
In-Reply-To: <A3AC4FA47DC0B1458C3E5396E685E63302395E5E@SAB-DC1.sab.uiuc.edu>
References: <A3AC4FA47DC0B1458C3E5396E685E63302395E5D@SAB-DC1.sab.uiuc.edu>
<cone.1182272306.539173.90929.5001@35st.simplicato.com>
<A3AC4FA47DC0B1458C3E5396E685E63302395E5E@SAB-DC1.sab.uiuc.edu>
Campbell, Lance wrote:
> Francisco and Richard,
> Why ask about disk or raid? How would that impact any settings in
> postgresql.conf?
Well, random_page_cost will depend on how fast your disk system can
locate a non-sequential page. If you have a 16-disk RAID-10 array that's
noticably less time than a single 5400rpm IDE in a laptop.
> I did forget the obvious question:
>
> What OS are you using?
Tricky to keep simple, isn't it :-)
--
Richard Huxton
Archonet Ltd
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To: pgsql-performance@postgresql.org
Cc: dev@archonet.com, lance@uiuc.edu, lists@stringsutils.com
Subject: Re: PostgreSQL Configuration Tool for Dummies
In-Reply-To: <46780DE4.1010007@archonet.com>
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