On Mon, 2019-07-08 at 09:11 -0700, Adam Williamson wrote:
It's worth noting that at least part of the justification for
criterion in the first place was that Amazon was using Xen for EC2, but
that is no longer the case, most if not all EC2 instance types no
longer use Xen.
I don't know where you got that particular piece of information. It
isn't correct. Most EC2 instance types still use Xen. The vast majority
of EC2 instances, by volume, are Xen.