add hard eviction threshold docs
@@ -42,6 +42,7 @@ Here are the valid values for the orchestrator types:
|maxPods|no|The maximum number of pods per node. The minimum valid value, necessary for running kube-system pods, is 5. Default value is 30 when networkPolicy equals azure, 110 otherwise.|
|gcHighThreshold|no|Sets the --image-gc-high-threshold value on the kublet configuration. Default is 85. [See kubelet Garbage Collection](https://kubernetes.io/docs/concepts/cluster-administration/kubelet-garbage-collection/) |
|gcLowThreshold|no|Sets the --image-gc-low-threshold value on the kublet configuration. Default is 80. [See kubelet Garbage Collection](https://kubernetes.io/docs/concepts/cluster-administration/kubelet-garbage-collection/) |
+|hardEvictionThreshold|no|Sets the --eviction-hard value on the kublet configuration. Default is `memory.available<100Mi,nodefs.available<10%,nodefs.inodesFree<5%`. [See Hard Eviction Thesholds](https://kubernetes.io/docs/tasks/administer-cluster/out-of-resource/#hard-eviction-thresholds) |
|useInstanceMetadata|no|Use the Azure cloudprovider instance metadata service for appropriate resource discovery operations. Default is `true`.|
|addons|no|Configure various Kubernetes addons configuration (currently supported: tiller, kubernetes-dashboard). See `addons` configuration below.|
