In the first part and the second part or the series, we’ve learned about types of scaling and what we get out of the box if we use Kubernetes to deploy our apps. When discussing Kubernetes horizontal autoscaling capabilities, I’ve mentioned that HPA (Horizontal Pod Autoscaler) has two drawbacks: a limited number of metrics that users can use to perform autoscaling, HPA cannot scale a deployment to 0 pods.

In this part, I want to take a closer look at two interesting projects that may help you tackle those issues: Knative and KEDA.

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