It would be good to confirm ... if you still have the devicemapper setup, run docker info
I was pointed to this https://github.com/openshift/origin/issues/11016 but I don't think it's the same issue. That one is docker daemon <--> kubelet interaction is slower. On Fri, Jan 6, 2017 at 1:07 PM, Josh Berkus <jber...@redhat.com> wrote: > On 01/05/2017 05:15 PM, Jeremy Eder wrote: > > On Thu, Jan 5, 2017 at 7:22 PM, Josh Berkus <jber...@redhat.com > > <mailto:jber...@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. > > It wasn't actually a rigourous test; I was mostly interested in > verifying that Overlay wasn't *slower*. If we have a reason to want a > rigorous test, I'll playbook something and get numbers. > > -- > -- > Josh Berkus > Project Atomic > Red Hat OSAS > -- -- Jeremy Eder