#Caching

Write unit tests for the caching logic and prepare a short design document. What aspects should the document cover?

How would you handle failover and error handling in the distributed caching system you designed?

Implement caching logic and describe a basic network protocol that would be used. What error handling mechanisms should be in place?

Build a simplified distributed caching system. What are the key components and considerations?

Design a service to identify the n closest restaurants to a user in real time. Explain the system architecture, including geospatial indexing, caching strategies, and considerations for scaling to millions of users.