Glossary term
What is HPA (Horizontal Pod Autoscaler)?
HPA stands for Horizontal Pod Autoscaler.
Adds/removes pods based on load. Example: Scale from 3 to 30 pods when CPU passes 65%.
Learn it properly · System DesignLesson 56: Kubernetes Core ConceptsRunning 300 containers across 40 machines by hand doesn't work. How Kubernetes turns “what I want” into “what's running”: the control plane and nodes, the reconciliation loop, pods, deployments, services and ingress, health probes, resources and autoscaling — and whether you need it at all.