From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josef Bacik Subject: Re: Ceph on btrfs 3.4rc Date: Tue, 24 Apr 2012 13:33:44 -0400 Message-ID: <20120424173343.GB6164@localhost.localdomain> References: <20120424152141.GB3326@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christian Brunner , Josef Bacik , linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org To: Sage Weil Return-path: In-Reply-To: List-ID: On Tue, Apr 24, 2012 at 09:26:15AM -0700, Sage Weil wrote: > On Tue, 24 Apr 2012, Josef Bacik wrote: > > On Fri, Apr 20, 2012 at 05:09:34PM +0200, Christian Brunner wrote: > > > After running ceph on XFS for some time, I decided to try btrfs again. > > > Performance with the current "for-linux-min" branch and big metadata > > > is much better. The only problem (?) I'm still seeing is a warning > > > that seems to occur from time to time: > > Actually, before you do that... we have a new tool, > test_filestore_workloadgen, that generates a ceph-osd-like workload on the > local file system. It's a subset of what a full OSD might do, but if > we're lucky it will be sufficient to reproduce this issue. Something like > > test_filestore_workloadgen --osd-data /foo --osd-journal /bar > > will hopefully do the trick. > > Christian, maybe you can see if that is able to trigger this warning? > You'll need to pull it from the current master branch; it wasn't in the > last release. > Keep up the good work Sage, at this rate I'll never have to setup ceph for myself :), Josef