O'Reilly logo
  • 磊 張 thinks this is interesting:

cgroups freezer.

From

Cover of Mastering Docker - Second Edition

Note

The cgroup freezer is useful to batch job management system which start and stop sets of tasks in order to schedule the resources of a machine according to the desires of a system administrator. This sort of program is often used on HPC clusters to schedule access to the cluster as a whole. The cgroup freezer uses cgroups to describe the set of tasks to be started/stopped by the batch job management system. It also provides a means to start and stop the tasks composing the job.