DevinLeamy opened a new pull request, #535:
URL: https://github.com/apache/mesos/pull/535
Introduces `Cgroups2IsolatorProcess`, a new isolator process which
uses cgroups v2. Cgroups v2 equivalent of `CgroupsIsolatorProcess`.
We introduce a new class, rather than adapting the existing
`CgroupsIsolatorProcess`, because the two isolators need to behave
markedly differently.
Specifically, the v1 isolator:
- Maintains a mapping from the cgroup hierarchy where a controller is
mounted to the `Subsystem` that manages it.
- Mounts cgroups hierarchies for subsystems, as they are required.
- Performs (virtually) all cgroups operations taking into account which
hierarchy a subsystem and container is a member of.
all of which are not relevant in the context of cgroup v2's unified
hierarchy.
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