Gaurav Sen System Design ›

Design the API endpoints the system will support. Database Schema Design: Define the data model.

Sen’s most impactful trait is his refusal to treat technology as a collection of buzzwords. Instead of saying, "Use Kafka for messaging," he asks, "What happens if the sender is faster than the receiver?"

in system architecture rather than memorizing static solutions. He uses visual aids like diagrams and flowcharts to make abstract distributed systems concepts more concrete. specific breakdown

Gaurav Sen’s breakdown of real-world platforms highlights how simple architectural primitives combine to solve massive scale problems. WhatsApp / Messenger (Real-Time Chat) gaurav sen system design

: Large video files are split into small, 4-second chunks. Each chunk is encoded into multiple resolutions (1080p, 720p, 360p) and formats.

Caching is the ultimate weapon for reducing latency. By storing frequently accessed data in high-speed memory (like Redis or Memcached), you protect your primary database from getting overwhelmed. A classic Gaurav Sen breakdown will always dive deep into cache eviction policies (LRU, LFU) and caching patterns (Write-Through, Write-Back, Cache-Aside), forcing you to consider what happens when data becomes stale. 4. Database Sharding and Replication

Gaurav has a background in competitive programming and software engineering. He includes modules on Multithreading and Concurrency. While less critical for a pure "System Design" round, this is incredibly valuable for the "Machine Coding" rounds often seen in Indian startups and companies like Uber/Flipkart. Design the API endpoints the system will support

The Ultimate Guide to System Design: Master the Architecture Fundamentals with Gaurav Sen

Databases are almost always the bottleneck in high-traffic applications. Caching sits at the forefront of optimization. Cache Eviction Policies

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Instead of saying, "Use Kafka for messaging," he

His curriculum breaks down complex architecture into manageable "pieces" or building blocks, including: Fundamentals

When he began creating content on YouTube, the landscape of System Design preparation was fragmented. Candidates were often forced to rely on dense academic papers (like the Amazon Dynamo or Google File System papers) or generic blog posts that skipped the crucial "why" behind architectural decisions.