What is cgroups in modern Linux kernels?

What is cgroups in modern Linux kernels?

• A set of tools for paravirtualization
• A feature that isolates and limits resource usage of processes
• A friendly IPtables manager written in C
• A collection of tools that prevents malware using mandatory access controls policies 

 

EXPLANATION

Cgroups (abbreviated from control groups) is a Linux kernel feature that limits, accounts for, and isolates the resource usage (CPU, memory, disk I/O, network, etc.) of a collection of processes.
If you are using Docker give it a try! This may be useful for hungry Java apps ;)
See more at Wikipedia and kernel.org