Re: Ceph on btrfs 3.4rc

[Neil Horman <nhorman@xxxxxxxxxxxxx>]

On Tue, Apr 24, 2012 at 01:33:44PM -0400, Josef Bacik wrote:
> 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 :),
> 
You can setup another OSD on daedalus if you're looking for something to do
Josef :)
Neil

> Josef
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