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Glossary: Virtualization and Cloud Basics

cgroup (control group)

Also written: cgroups, control group, /sys/fs/cgroup

A kernel feature that limits how much memory, CPU time and disk speed a group of processes may use, and how many processes it may have. cgroups are folders under /sys/fs/cgroup, and you set limits by writing to their files.

Where the book teaches it

Related terms

namespaceout-of-memory killer