Phoronix used to run some. Typically below 10% for disk heavy loads when KVM and virtio is used, bit more if not. I have no data on network heavy loads.
Generally containers vs VMs is a wash... except when considering security.
There used to be some issues with power saving in Xen that increased power use when idle, but have been fixed around 4.4 or so.
Generally containers vs VMs is a wash... except when considering security.
There used to be some issues with power saving in Xen that increased power use when idle, but have been fixed around 4.4 or so.