// This can be empty if driver does not support topology.
  // +optional
  repeated string topologyKeys = 3;

  // allocatable represents the volume resources of a node that are available for scheduling.
  // +optional
  optional VolumeNodeResources allocatable = 4;
}

// CSINodeList is a collection of CSINode objects.
message CSINodeList {
  // Standard list metadata

  // This can be empty if driver does not support topology.
  // +optional
  repeated string topologyKeys = 3;

  // allocatable represents the volume resources of a node that are available for scheduling.
  // This field is beta.
  // +optional
  optional VolumeNodeResources allocatable = 4;
}

// CSINodeList is a collection of CSINode objects.
message CSINodeList {
  // Standard list metadata

resource-intensive in ‘iptables’ mode.
  * Node stability can be improved by reserving [resources](https://github.com/kubernetes/kubernetes/blob/release-1.2/docs/proposals/node-allocatable.md) for the base operating system using --system-reserved and --kube-reserved Kubelet flags
  * Liveness and readiness probes now support more configuration parameters:
periodSeconds, successThreshold, failureThreshold