This page explains how to configure out of resource handling with kubelet.
The kubelet needs to preserve node stability when available compute resources are low. This is especially important when dealing with incompressible compute resources, such as memory or disk space. If such resources are exhausted, nodes become unstable.
Eviction Signals The kubelet supports eviction decisions based on the signals described in the following table. The value of each signal is described in the Description column, which is based on the kubelet summary API.