Received: from localhost (unknown [200.46.204.183])
	by postgresql.org (Postfix) with ESMTP id 5A4786501FE
	for <pgsql-performance-postgresql.org@postgresql.org>;
	Wed, 13 Aug 2008 11:48:25 -0300 (ADT)
Received: from postgresql.org ([200.46.204.86])
	by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024)
	with ESMTP id 37970-01 for
	<pgsql-performance-postgresql.org@postgresql.org>;
	Wed, 13 Aug 2008 11:48:13 -0300 (ADT)
X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6
Received: from yx-out-2324.google.com (yx-out-2324.google.com [74.125.44.28])
	by postgresql.org (Postfix) with ESMTP id 7BA2964FD34
	for <pgsql-performance@postgresql.org>;
	Wed, 13 Aug 2008 11:48:19 -0300 (ADT)
Received: by yx-out-2324.google.com with SMTP id 8so6017yxb.73
	for <pgsql-performance@postgresql.org>;
	Wed, 13 Aug 2008 07:48:18 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=domainkey-signature:received:received:message-id:date:from:to
	:subject:cc:in-reply-to:mime-version:content-type
	:content-transfer-encoding:content-disposition:references;
	bh=q0KDBMjWMvEhME2piWtvkELQqmyW+0eqnIPd2yMDyPs=;
	b=GYpm0lLb7o4TZuI6q3mUZx8lbVK/D/F49Hi/5jcvCGvH/AhF5V05jW0BNA53pQ8Wel
	TIgiQV0mEJpNmVzUqsrpU1B4IYIt1lX4vyLsw0Uqxl2/uprLAnH1H0M8rbHf70b/dHg3
	47p46lL+3/H2n3NeStHGBIQmY3tq+k1rkcoUg=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;
	h=message-id:date:from:to:subject:cc:in-reply-to:mime-version
	:content-type:content-transfer-encoding:content-disposition
	:references;
	b=ecR9nRhH8n/c8FskZFDhErCSXM+0J68A++QVoZ43MQDzmVabIUloEvFAVB3c4KpJQJ
	I2gwUxe4F0Z3UBtuDQ2E2Xzna8Uefqs1+46i7XSyrEzERfGUWYDhL7Pw8cbTPBk75ySl
	LTJxE1K0DafjBeaoVVU4mfanvJJmxxIg63hJM=
Received: by 10.142.174.8 with SMTP id w8mr3354237wfe.33.1218638897643;
	Wed, 13 Aug 2008 07:48:17 -0700 (PDT)
Received: by 10.142.165.13 with HTTP; Wed, 13 Aug 2008 07:48:17 -0700 (PDT)
Message-ID: <dcc563d10808130748m3a8fe7f8n2a64965990317697@mail.gmail.com>
Date: Wed, 13 Aug 2008 08:48:17 -0600
From: "Scott Marlowe" <scott.marlowe@gmail.com>
To: "Ron Mayer" <rm_pg@cheapcomplexdevices.com>
Subject: Re: Filesystem benchmarking for pg 8.3.3 server
Cc: "Greg Smith" <gsmith@gregsmith.com>, Henrik <henke@mac.se>,
	pgsql-performance@postgresql.org
In-Reply-To: <48A2F297.9030703@cheapcomplexdevices.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <32A7A76B-16CA-4CDB-AD43-973AD6A3FC7B@mac.se>
	<Pine.GSO.4.64.0808081835320.21924@westnet.com>
	<48A2050D.4050803@cheapcomplexdevices.com>
	<Pine.GSO.4.64.0808130150510.9761@westnet.com>
	<48A2F297.9030703@cheapcomplexdevices.com>
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none
X-Spam-Level: 
X-Archive-Number: 200808/151
X-Sequence-Number: 31032

On Wed, Aug 13, 2008 at 8:41 AM, Ron Mayer
<rm_pg@cheapcomplexdevices.com> wrote:
> Greg Smith wrote:

> But I still am looking for any evidence that there were any
> widely shipped SATA (or even IDE drives) that were at fault,
> as opposed to filesystem bugs and poor settings of defaults.

Well, if they're getting more than 150/166.6/250 transactions per
second without a battery backed cache, then they're likely lying about
fsync.  And most SATA and IDE drives will give you way over that for a
small data set.