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From: Francisco Reyes <lists@stringsutils.com>
To: david@lang.hm
Cc: Scott Marlowe <scott.marlowe@gmail.com>
Cc: Pgsql performance <pgsql-performance@postgresql.org>
Subject: Re: 10K vs 15k rpm for analytics
Date: Tue, 02 Mar 2010 17:26:54 -0500
Message-ID: <cone.1267568814.896051.32557.1000@shelca> (raw)
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>

david@lang.hm writes:

> what filesystem is being used. There is a thread on the linux-kernel 
> mailing list right now showing that ext4 seems to top out at ~360MB/sec 
> while XFS is able to go to 500MB/sec+

EXT3 on Centos 5.4

Plan to try and see if I have time with the new machines to try FreeBSD+ZFS. 
ZFS supposedly makes good use of memory and the new machines will have 72GB 
of RAM.

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