Re: [atomic-devel] Fedora 26 change: using overlayfs as default

[Vivek Goyal <vgoyal redhat com>]

On Fri, Jan 06, 2017 at 10:07:05AM -0800, Josh Berkus wrote:
> On 01/05/2017 05:15 PM, Jeremy Eder wrote:
> > On Thu, Jan 5, 2017 at 7:22 PM, Josh Berkus <jberkus redhat com
> > <mailto:jberkus redhat com>>wrote:
> > 
> >     Also, performance is MUCH better on PostgreSQL pgbench than devicemapper
> >     is.  Like 3X better.
> > 
> > 
> > Details please?  Were you using the loopback dm driver?
> 
> I was using whatever is the default with Atomic docker-storage-setup.

By default on atomic, docker-storage-setup should thin pool from free
space in volume group. (no loopback stuff).

Vivek