Received: from maia.hub.org (unknown [200.46.208.211])
	by mail.postgresql.org (Postfix) with ESMTP id 0B921636071
	for <pgsql-performance-postgresql.org@mail.postgresql.org>;
	Tue,  9 Mar 2010 11:48:11 -0400 (AST)
Received: from mail.postgresql.org ([200.46.204.86])
	by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia,
	port 10024) with ESMTP id 21831-05-6
	for <pgsql-performance-postgresql.org@mail.postgresql.org>;
	Tue,  9 Mar 2010 15:47:50 +0000 (UTC)
X-Greylist: delayed 01:00:09.461966 by SQLgrey-1.7.6
Received: from vms173007pub.verizon.net (vms173007pub.verizon.net
	[206.46.173.7])
	by mail.postgresql.org (Postfix) with ESMTP id C6BC26342B1
	for <pgsql-performance@postgresql.org>;
	Tue,  9 Mar 2010 11:47:28 -0400 (AST)
Received: from osgiliath.mathom.us ([unknown] [72.83.250.27])
	by vms173007.mailsrvcs.net
	(Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16
	2009)) with ESMTPA id <0KZ0008RSRQPJ241@vms173007.mailsrvcs.net> for
	pgsql-performance@postgresql.org; Tue, 09 Mar 2010 08:47:18 -0600 (CST)
Received: from localhost (localhost [127.0.0.1])
	by osgiliath.mathom.us (Postfix) with ESMTP id 96D906F7B8	for
	<pgsql-performance@postgresql.org>;
	Tue, 09 Mar 2010 09:47:12 -0500 (EST)
X-Virus-Scanned: Debian amavisd-new at mathom.us
Received: from osgiliath.mathom.us ([127.0.0.1])
	by localhost (osgiliath.home.mathom.us [127.0.0.1]) (amavisd-new,
	port 10024)
	with LMTP id J2A+xOWrv2YH for <pgsql-performance@postgresql.org>; Tue,
	09 Mar 2010 09:47:12 -0500 (EST)
Received: by osgiliath.mathom.us (Postfix, from userid 1000)
	id 49DF338299; Tue, 09 Mar 2010 09:47:12 -0500 (EST)
Date: Tue, 09 Mar 2010 09:47:12 -0500
From: Michael Stone <mstone+postgres@mathom.us>
To: pgsql-performance@postgresql.org
Subject: Re: 10K vs 15k rpm for analytics
Message-id: <77d4f126-2b8a-11df-9b6a-001cc0cda50c@msgid.mathom.us>
Mail-followup-to: pgsql-performance@postgresql.org
References: <cone.1267562557.293175.32557.1000@shelca>
	<dcc563d11003021312k57e9c558n177e10ad16ab32b1@mail.gmail.com>
	<cone.1267565429.453229.32557.1000@shelca>
	<dcc563d11003021347h52f94812jf75b5937937a9ed4@mail.gmail.com>
	<alpine.DEB.2.00.1003021408340.5131@asgard.lang.hm>
	<06A22EB5-2D84-401C-B75F-7CA883695E0A@richrelevance.com>
	<4B95F222.6040504@2ndquadrant.com> <op.u9ayvwj9eorkce@localhost>
MIME-version: 1.0
Content-type: text/plain; charset=us-ascii; format=flowed
Content-disposition: inline
In-reply-to: <op.u9ayvwj9eorkce@localhost>
X-Pgp-Fingerprint: 53 FF 38 00 E7 DD 0A 9C  84 52 84 C5 EE DF 7C 88
User-Agent: Mutt/1.5.18 (2008-05-17)
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=0.001 tagged_above=-10 required=5 tests=BAYES_50=0.001
X-Spam-Level: 
X-Archive-Number: 201003/94
X-Sequence-Number: 37919

Do keep the postgres xlog on a seperate ext2 partition for best 
performance. Other than that, xfs is definitely a good performer.

Mike Stone