How to fix Kubelet hang in Kubernetes

KubernetesINTERMEDIATEHIGHUpdated Dec 7, 2025· 101 views

This error occurs when the kubelet becomes unresponsive and stops processing pod operations, typically due to deadlock or resource exhaustion.

Quick fix

Fixes Kubelet hang

  1. Check node status
  2. Check kubelet logs
  3. Check disk space
  4. Check memory
  5. Restart kubelet
kubernetes — error
# Kubelet hang
Kubelet hang

What this error means

The "Kubelet hang" error indicates that the kubelet process is stuck and not responding to requests.

Typical symptoms

  • Node shows NotReady
  • Pods cannot start
  • Kubelet logs stop writing
  • SSH to node slow

Common causes

  1. Deadlock in kubelet
  2. Disk space exhausted
  3. Memory pressure
  4. High CPU load

How to fix "Kubelet hang"

1Check node status

kubectl get node <node> -o yaml

2Check kubelet logs

journalctl -u kubelet -n 200

3Check disk space

kubectl debug node/<node> -it --image=busybox && df -h

4Check memory

free -h

5Restart kubelet

sudo systemctl restart kubelet

Advanced notes

If restart doesn't help, reboot node. Monitor for resource exhaustion.

Frequently asked questions

What does "Kubelet hang" mean?
The "Kubelet hang" error indicates that the kubelet process is stuck and not responding to requests.
How do I fix "Kubelet hang"?
This error occurs when the kubelet becomes unresponsive and stops processing pod operations, typically due to deadlock or resource exhaustion.
What causes "Kubelet hang"?
Deadlock in kubelet Disk space exhausted Memory pressure
Is the "Kubelet hang" error serious?
Yes. This is a high-severity error that usually blocks work until it is fixed, but the steps above resolve it.

Official resources & further reading