To: josh@agliodbs.com
Cc: Andrew Sullivan <andrew@libertyrms.info>, pgsql-performance@postgresql.org
Subject: Re: PostgreSQL vs. MySQL 
In-reply-to: <200307041137.59148.josh@agliodbs.com> 
References: <20030704152620.GA4707@libertyrms.info>
	<005001c34257$1f461360$3ac15e91@acm>
	<20030704182853.GK4707@libertyrms.info>
	<200307041137.59148.josh@agliodbs.com>
Comments: In-reply-to Josh Berkus <josh@agliodbs.com>
	message dated "Fri, 04 Jul 2003 11:37:58 -0700"
Date: Fri, 04 Jul 2003 15:18:43 -0400
Message-ID: <4395.1057346323@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>

Josh Berkus <josh@agliodbs.com> writes:
>> ---snip---
>> By default, PostgreSQL is configured to run on minimal hardware.  As
>> a result, some tuning of your installation will be necessary before
>> using it for anything other than extremely small databases.  At the
>> very least, it will probably be necessary to increase your shared
>> buffers setting.  See Chapter 16 for details on what tuning options
>> are available to you.
>> ---snip---

> I think we actually need much more than this.

I am about to propose a patch that will cause the default shared_buffers
to be more realistic, say 1000, on machines where the kernel will allow
it.  Not sure if people will let me get away with applying it
post-feature-freeze, but if so that would change the terms of this
debate noticeably.

			regards, tom lane