How do I troubleshoot Horizontal Pod Autoscaler in Kubernetes?
To troubleshoot HPA, first check the HPA status using kubectl get hpa
. What issues are you facing?
The HPA is not scaling my pods as expected.
Make sure the metrics server is running and that the metrics are being collected. Have you verified that?
Yes, the metrics server is running, but the metrics seem off.
Check the resource requests and limits of your pods. If they are too low, HPA may not scale them up.
What should I set the requests and limits to?
It depends on your application. Start with a baseline based on your application's resource usage and adjust as needed.
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