Scale is a critical part of how we develop applications in today’s world of infrastructure. Now, containers and container orchestration like Docker and Kubernetes make it easier to think about scale. One of the “magical” things about The potential of Kubernetes is fully realized when you have a sudden increase in load, your infrastructure scales up and grows to accommodate. How does this work? With Horizontal Pod Autoscaling, Kubernetes adds more pods when you have more load and drops them once things return to normal.
This article covers Horizontal Pod Autoscaling, what it is, and how to try it out with the Kubernetes guestbook example. By the end of this article, you will…
- Understand what Horizontal Pod Autoscaling (HPA) is
- Be able to create an HPA in Kubernetes
- Create an HPA for the Guestbook and watch it work with Siege
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