The future of cgroups and containers
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One Line Summary
This talk will present background and details of the new cgroup unified hierarchy, and what container managers need to do to deal with it.This talk will present background and details of the new cgroup unified hierarchy, and what container managers need to do to deal with it.
The unified hierarchy is a new, currently optional and experimental, replacement for the legacy cgroup hierarchies. It aims to solve several problems inherent in the old cgroup implementation, such as the per-controller ad-hoc behavior regarding resource splitting between tasks and sub-cgroups. It also aims to simplify the cgroups kernel code.
We describe differences between the legacy and unified hierarchies, describe how cgmanager deals with these changes and what other users need to know.
containers, cgroups, lxc, cgmanager
I work on the virtualization stack for Ubuntu and am one of the maintainers for lxc.