short for control groups a group of processes limits, accounts for, and isolates resource usage of a collection of processes

This allows a program to employ multiple processes, all started, stopped, restarted, and managed as a group.

libcgroup cgcreate cgexec cgclassify

Used by, among others:

• CoreOS
• Docker
• Hadoop
• Jelastic
• Kubernetes
• lmctfy (Let Me Contain That For You)
• LXC (LinuX Containers)
• systemd
• Mesos and Mesosphere
• HTCondor

cgroupsV2 has been released, adopted by Fedora in late 2019