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

[Jason Brooks <jbrooks redhat com>]

On Thu, Jan 5, 2017 at 4:16 PM, Josh Berkus <jberkus redhat com> wrote:
> So, I've done some testing, thanks to Dusty's setup.
>
> I wasn't able to test on Kubernetes because of some setup issues.

I just tested kubernetes on f25 atomic w/ overlay2 -- worked as expected.

> However, I hammered away at Docker using some IO-intensive applications,
> including PostgreSQL and Etcd, both of which write data frequently to
> some unexpected places.
>
> So far I haven't seen any unexpected IO errors from containers running
> under overlayfs.
>
> And having all of storage be one big volume is really nice; it
> eliminates a longstanding issue we've had with disk allocation; the
> whole disk is simply available.
>
> So +1 on moving to overlayfs for F26.
>
> --
> --
> Josh Berkus
> Project Atomic
> Red Hat OSAS
>