Understand how Redis stores data in memory and handles requests at very high speed.
Redis is an in-memory data store, which means it keeps most of the data it works with in RAM. This makes operations extremely fast compared with systems that need to read data from disk for every request.
A Redis server receives commands from clients, processes them, and returns results. Understanding its single-threaded command execution model, event-driven architecture, memory usage, and persistence options helps explain why Redis is fast and where its limitations come from.
What you'll walk away knowing