Linux Control Groups
[http://docs.oracle.com/cd/E37670_01/E37355/html/ol_about_cgroups.html]
(cgroups) are a nifty way to limit the amount of resource, such as CPU, memory,
or IO throughput, that a process or group of processes may use. Frits Hoogland
[https://fritshoogland.wordpress.com/2012/