olemus
jõudlust vähendav virtuaalmasinate rohkus ühel serveril
= a growing number of virtual machines on a server that lowers its efficiency

ülevaateid
https://www.techopedia.com/definition/14771/virtualization-sprawl
https://www.quora.com/What-is-VM-sprawl
https://www.liquidweb.com/blog/vm-sprawl/