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Redis Caching & Messaging (Pub/Sub, Streams) · Lesson

Introduction to Redis

Explore what Redis is, its architecture, and its primary use cases in application development.

Welcome to Redis!

Redis (Remote Dictionary Server) is a blazing-fast, in-memory key-value store. Developers reach for it for caching, sessions, and real-time analytics.

Data in RAM for Speed

Redis is in-memory: it keeps data in RAM, making reads and writes far faster than disk-based databases. It can still persist to disk when you need durability.

All lessons in this course

  1. Introduction to Redis
  2. Redis CLI Basics
  3. Core Redis Data Structures
  4. Key Expiration and TTL in Redis
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