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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Cc: Mark Kirkwood <markir@paradise.net.nz>
Cc: Chris Mair <list@1006.org>
Subject: Re: bad performance on Solaris 10
Date: Mon, 3 Apr 2006 23:09:43 -0700
Message-ID: <200604032309.44143.josh@agliodbs.com> (raw)
In-Reply-To: <44320024.60908@paradise.net.nz>
References: <1144111178.3723.80.camel@dell.home.lan>
	<44320024.60908@paradise.net.nz>

Mark,

> I suspect that making a *separate* filesystem for the pg_xlog directory
> and mounting that logging + forcedirectio would be a nice way to also
> get performance while keeping the advantages of logging + file
> buffercache for the *rest* of the postgres components.
> Cheers

Yes, we tested this.  It makes a huge difference in WAL speed.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco



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