System Design Interview: Concepts and Classic Designs
Learn how large systems scale, from load balancing and caching to sharding and queues, and how to design a URL shortener, news feed or chat app. For engineers preparing for interviews, with eight classic designs.
What does a system design interview ask you to do?
Design a large-scale system and explain its trade-offs
Source
The interviewer names a product, such as a URL shortener or a chat app, and you spend 45 to 60 minutes designing it out loud. There is no single right answer: the same prompt can lead to several good designs. What gets judged is how well each choice fits the requirements you agreed, and whether you can say what it costs.
