diff --git a/docs/proposals/pod-resource-management.md b/docs/proposals/pod-resource-management.md index 20b9952efb8..251dcfc971f 100644 --- a/docs/proposals/pod-resource-management.md +++ b/docs/proposals/pod-resource-management.md @@ -131,7 +131,7 @@ A pod can belong to one of the following 3 QoS classes: Guaranteed, Burstable, a #### Guaranteed -`G` pods will be placed at the `$Root` cgroup by default. `$Root` is the system root ie. "/" by default and if `--cgroup-root` flag is used then we use the specified cgroup-root as the `$Root`. To ensure Kubelet's idempotent behaviour we follow a pod cgroup naming format which is opaque and deterministic. Say we have a pod with UID: `5f9b19c9-3a30-11e6-8eea-28d2444e470d` the pod cgroup PodUID would be named: `pod-5f9b19c93a3011e6-8eea28d2444e470d`. +`G` pods will be placed at the `$Root` cgroup by default. `$Root` is the system root i.e. "/" by default and if `--cgroup-root` flag is used then we use the specified cgroup-root as the `$Root`. To ensure Kubelet's idempotent behaviour we follow a pod cgroup naming format which is opaque and deterministic. Say we have a pod with UID: `5f9b19c9-3a30-11e6-8eea-28d2444e470d` the pod cgroup PodUID would be named: `pod-5f9b19c93a3011e6-8eea28d2444e470d`. __Note__: The cgroup-root flag would allow the user to configure the root of the QoS cgroup hierarchy. Hence cgroup-root would be redefined as the root of QoS cgroup hierarchy and not containers. @@ -308,7 +308,7 @@ Example: We plan to have the following cgroup hierarchy on systemd systems ### Hierarchy Outline -- "$Root" is the system root of the node ie. "/" by default and if `--cgroup-root` is specified then the specified cgroup-root is used as "$Root". +- "$Root" is the system root of the node i.e. "/" by default and if `--cgroup-root` is specified then the specified cgroup-root is used as "$Root". - We have a top level QoS cgroup for the `Bu` and `BE` QoS classes. - But we __dont__ have a separate cgroup for the `G` QoS class. `G` pod cgroups are brought up directly under the `Root` cgroup. - Each pod has its own cgroup which is nested under the cgroup matching the pod's QoS class.