If you are a DevOps engineer, there is a good chance that you already know more about system design than you think.
You have probably configured a load balancer at some point.
Adding a cache to a backend system is one of the most satisfying performance improvements an engineer can make. The change is often small – point your application at Redis,
Spend a few weeks studying System Design and you’ll start noticing a familiar cast of characters in every architecture diagram
Imagine you’re ordering a new phone online. You complete checkout, enter your payment details, and click Pay Now. The button spins for a few seconds. No confirmation appears. Thinking the payment didn’t go through, you click again.
Imagine you’re ordering a new phone online. You complete checkout, enter your payment details, and click Pay Now. The button spins for a few seconds. No confirmation appears. Thinking the payment didn’t go through, you click again.