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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Subject: Re: XFS vs Ext3, and schedulers, for WAL
Date: Mon, 11 Oct 2010 10:50:08 -0700
Message-ID: <4CB34E50.3080201@agliodbs.com> (raw)
In-Reply-To: <4CAD0214.50304@agliodbs.com>
References: <4CAD0214.50304@agliodbs.com>


> There's a number of blog tests floating around comparing XFS and Ext3,
> and the various Linux schedulers, for PGDATA or for an all-in-one mount.
> 
> However, the WAL has a rather particular write pattern, and it's
> reasonable to assume that it shouldn't be optimized the same way as
> PGDATA.  Has anyone done any head-to-heads for WAL drive configuration
> changes?

That would be a "no", then.  Looks like I have my work cut out for me ...

-- 
                                  -- Josh Berkus
                                     PostgreSQL Experts Inc.
                                     http://www.pgexperts.com



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