What is Redis? Why Redis is Used in Modern Apps (Ep 01)

In this video, we answer the most common questions: What is Redis? and Why Redis is used in modern applications? You’ll understand: What Redis is and how it works Redis vs traditional databases (MySQL, PostgreSQL, etc.) Why Redis is faster than disk-based databases Common Redis use cases like caching, session management, rate limiting, and messaging Where Redis fits in a real-world system architecture We also explain how Redis works alongside an existing database and not as a replacement. This video is the first episode of the Redis Zero to Hero series and is ideal for beginners, backend developers, and system design learners. #Redis #WhatIsRedis #WhyRedis #RedisVsDatabase #BackendDevelopment #SystemDesign #Caching #InMemoryDatabase #RedisTutorial #RedisZeroToHero 📌 GitHub Repository (Notes + Code)- https://github.com/suhailgupta/redis Discord Link-   / discord   Instagram Link-   / levelupwithsuhail   Twitter Link- https://x.com/SuhailTechTalks Other Playlists: Kafka Zero to Hero-    • Kafka- Zero to Hero   LLD-    • LLD   Chapters: 00:00:00 Why Redis is Everywhere 00:01:24 Redis Explained for Beginners 00:05:50 Problems Redis Solves in Modern Systems 00:07:30 Redis Use Cases in Real Applications