What causes "Insufficient memory"?

request too high consuming memory insufficient nodes

Is the "Insufficient memory" error serious?

Yes. This is a high-severity error that usually blocks work until it is fixed, but the steps above resolve it.

KubernetesINTERMEDIATEHIGHUpdated Dec 6, 2025· 114 views

Error when no node has enough available memory

Fixes Insufficient memory

kubernetes — error

$# Insufficient memory
Insufficient memory

Scheduler cannot find node with memory

1Check request

kubectl get pod -o yaml | grep memory

2Check availability

kubectl top nodes

3Reduce request

kubectl set resources --requests=memory

4Profile usage

kubectl top pod shows actual

5Scale down

Delete non-critical pods

6Add nodes

Increase cluster nodes

Mi = Mebibyte. Use binary units. OOM if exceeds limit. Burstable pods can be evicted.

What does "Insufficient memory" mean?: Scheduler cannot find node with memory
How do I fix "Insufficient memory"?: Error when no node has enough available memory
What causes "Insufficient memory"?: request too high consuming memory insufficient nodes
Is the "Insufficient memory" error serious?: Yes. This is a high-severity error that usually blocks work until it is fixed, but the steps above resolve it.