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From: Jim C. Nasby <jnasby@pervasive.com>
To: Chris Mair <list@1006.org>
Cc: Olivier Andreotti <olivier.andreotti@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Benchmarck PostgreSQL 8.1.4 MySQL 5.0.20 and Oracle
Date: Fri, 19 May 2006 15:16:01 -0500
Message-ID: <20060519201600.GL64371@pervasive.com> (raw)
In-Reply-To: <1147956280.9324.7.camel@dell.home.lan>
References: <d5d40b330605180257w2a0cb2dei53d81cbe0d7405e@mail.gmail.com>
	<1147947373.7943.35.camel@dell.home.lan>
	<d5d40b330605180342o1dc6013fue0b5d678a861c9b5@mail.gmail.com>
	<1147956280.9324.7.camel@dell.home.lan>

On Thu, May 18, 2006 at 02:44:40PM +0200, Chris Mair wrote:
> Yes, pg_xlog ist also used with fsync=off. you might gain quite some
> performance if you can manage to put pg_xlog on its own disk (just
> symlink the directory). 

Substantially increasing wal buffers might help too.
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461



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