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From: Jeremy Haile <jhaile@fastmail.fm>
To: PostgreSQL Performance <pgsql-performance@postgresql.org>
Subject: Re: High update activity, PostgreSQL vs BigDBMS
Date: Tue, 02 Jan 2007 09:58:43 -0500
Message-ID: <1167749923.22768.282753307@webmail.messagingengine.com> (raw)
In-Reply-To: <D047C103-FB89-4CC4-B18C-55C8CA35434E@heidieker.de>
References: <45935A49.6080602@burntmail.com>
	<E1H0HFH-0004cw-6E@elasmtp-dupuy.atl.sa.earthlink.net>
	<20061229220747.GB15429@alvh.no-ip.org>
	<459A666E.9090508@3times25.net>
	<1167749696.6369.413.camel@localhost.localdomain>
	<D047C103-FB89-4CC4-B18C-55C8CA35434E@heidieker.de>

More specifically, you should set the noatime,data=writeback options in
fstab on ext3 partitions for best performance.  Correct?

> it doesn't really belong here but ext3 has
> data journaled (data and meta data)
> ordered (meta data journald but data written before meta data (default))
> journald (meta data only journal)
> modes.
> 
> The performance differences between ordered and meta data only  
> journaling should be very small enyway



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