non scaled autoscaler
Why does Kubernetes Horizontal Pod Autoscaler not scale even when CPU usage is high?
Aditya VijayaBegginer
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Autoscaling relies on metrics and resource requests, not just raw CPU usage.
If the metrics server isn’t working or your pods don’t define CPU requests, Kubernetes has nothing to scale against. CPU limits alone are not enough, which surprises many people the first time they configure autoscaling.
When autoscaling doesn’t react, the issue is usually missing data rather than incorrect thresholds.
Takeaway: Autoscaling only works when metrics and requests are both present.