From mboxrd@z Thu Jan 1 00:00:00 1970 From: Freddie Cash Subject: Re: Confused by performance Date: Wed, 16 Jun 2010 12:35:48 -0700 Message-ID: References: <4BFAEABD.2070700@noir.com> <4BFF2024.3040509@noir.com> <4C191330.5060905@noir.com> <4C19243E.9050507@robertoragusa.it> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: List-ID: That's all well and good, but you missed the part where he said ext2 on a 5-way LVM stripeset is many times faster than btrfs on a 5-way btrfs stripeset. IOW, same 5-way stripeset, different filesystems and volume managers, and very different performance. And he's wondering why the btrfs method used for striping is so much slower than the lvm method used for striping. -- Freddie Cash fjwcash@gmail.com -- Freddie Cash fjwcash@gmail.com