From mboxrd@z Thu Jan 1 00:00:00 1970 From: "K. Richard Pixley" Subject: Re: Confused by performance Date: Thu, 27 May 2010 18:45:08 -0700 Message-ID: <4BFF2024.3040509@noir.com> References: <4BFAEABD.2070700@noir.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <4BFAEABD.2070700@noir.com> List-ID: Just as a followup, my problem appears to be hardware related. It's not clear yet whether it's a strange failure mode or a configuration snafoo, disk or controller, but elsewhere I'm seeing a btfs single disk performance penalty more like 2% over ext[34] which seems completely reasonable. Sorry for the panic. --rich