Kubelet has insufficient memory available (GITA-INC-004)

The Kubelet component from Kubernetes proactively checks nodes' available memory in order to take action whenever such resource is running out, according to a measurement called eviction threshold. This phenomenon is known as MemoryPressure.

When a node enters the MemoryPressure state, some of its Pods are selected for termination regardless of the PodDisruptionBudget and terminationGracePeriodSeconds values.

If the presence of a Pod termination period is crucial, a custom eviction threshold can be set through the eviction-max-pod-grace-period Kubelet configuration. This is only possible for soft thresholds, specified through the flag --eviction-soft. Hard thresholds, specified through the flag --eviction-hard, do not allow grace periods and terminates Pods immediately.

Eviction configuration for memory can be customized through the memory.available parameter.

For more information, visit the Kubernetes documentation