sameo/kata_host_cgroup.md

Last active July 5, 2021 11:36

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Kata Containers host cgroups

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kata_host_cgroup.md

`sandbox_cgroup_only = false`

Sandbox creation

No sandbox cgroup manager is created
Cgroup for sandbox container is created
Takes linux:cgroup_parent as the cgroup root
Creates v1 cgroup hierearchy: /sys/fs/cgroup/memory/vc/<linux:cgroup_parent>/kata_<sandbox_id>/, etc
Add the process linked to the sandbox container to the cgroups.
Only adds the CPU resources at first

Container addition

A new cgroup is created for the container
Creates v1 cgroup hierearchy: /sys/fs/cgroup/memory/vc/<linux:cgroup_parent>/kata_<sandbox_id>/, etc
Add the process linked to the sandbox container to the cgroups.
Only adds the CPU resources at first

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