Horizontal Pod Autoscaling (HPA): ○ Scales the number of pod replicas based on observed CPU utilization, memory usage, or custom metrics (e.g., request count). ○ Example: If the Order Service experiences a high load, Kubernetes can

Short answer: utomatically add more pod replicas to handle the increased traffic.

Real-world example (ShopNest)

ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeploying payments.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.