News Summary

• Scalability is the ability, surprise, of a system or application to scale
• Horizontal scaling is focused on adding more nodes to the system
• Vertical scaling is about adding more resources to a single machine
• The more stateless services, or steps in our workflow, we have, the easier it is to scale up our system
• Creating a cache layer in front of our application is probably the simplest method to increase the scalability of our app