Why do apps like Instagram, Amazon, and Netflix feel insanely fast… even with millions of users?

Because they DON’T hit the database every single time.

In this video, you’ll learn how modern systems use Redis Caching to achieve high performance and scalability

What You’ll Learn:
What is Caching?
Why caching is critical in microservices
What is Redis?
Cache Aside Pattern explained
Write-Through Pattern explained
Cache Aside vs Write-Through
Cache Hit, Miss, TTL & Invalidation
Common caching problems
Real-world Redis use cases

One of the MOST important backend performance concepts for modern distributed systems.

Part of Nest JS Microservices Full Course 2026 (Hindi/Urdu) - The Techzeen

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Nest JS Microservices Architecture Lectures (GitHub Notes):
https://github.com/farzeen-ali/Nest-JS-Microservices-Architecture

Nest JS Microservices Architecture Full Course 2026:
https://www.youtube.com/playlist?list=PL5OhSdfH4uDuhmyVVCziEDINTg8BRgRS8

DevOps Tutorial 2026:
https://www.youtube.com/playlist?list=PL5OhSdfH4uDsyUM02ZHl2mOYBpihCYsml

Nest JS Full Backend Mastery Course 2026:
https://www.youtube.com/playlist?list=PL5OhSdfH4uDt6iG-qze_Q3qgik6VKHeRU

#Redis #Caching #Microservices #BackendDevelopment #SystemDesign #DistributedSystems #PerformanceOptimization #SoftwareArchitecture #NodeJS #DevOps #TheTechzeen