Janitor Monkey

See the following -

Netflix Open Source Cloud-testing Chaos Monkey

Derrick Harris | GigaOM | July 30, 2012

Netflix has open sourced Chaos Monkey, a service designed to terminate cloud computing instances in a controlled manner so companies can ensure their applications keep running when a virtual server dies unexpectedly. In the past year, Chaos Monkey has terminated more than 65,000 of Netflix’s instances. Read More »