Master distributed systems through interactive demos, performance benchmarks, and production-ready Go code
Real-time visualizations and simulators
Battle-tested Go implementations
Theory, implementation, and best practices
Start here - Learn our proven framework for tackling any system design challenge
Master the foundational concepts before diving into system design patterns
System Estimation
Master quick estimation techniques for QPS, storage, bandwidth, and servers. Essential skill for system design interviews and capacity planning.
Replication & Sharding
Master replication vs sharding, MySQL scaling with Vitess, multi-master patterns, and cross-shard join challenges.
Why, When & How
Understand the NoSQL revolution, problems it solves, database types, and practical SQL vs NoSQL decision-making.
B-Tree vs LSM Tree
Compare B-Tree, LSM Tree, Fractal Tree, and other modern storage engines. Learn trade-offs and choose the right engine for your workload.
Base62, Base64 & More
Master encoding schemes for URL shorteners, unique IDs, and data transmission. Learn when to use Base32, Base62, or Base64 with real examples.
Bloom Filters & More
Space-efficient probabilistic data structures. Learn Bloom filters, Count-Min Sketch, HyperLogLog, and Cuckoo filters with interactive visualizations.
HTTP, WebSocket & More
Master different communication patterns from HTTP/HTTPS to WebSocket, SSE, Long Polling, and WebRTC. Understand trade-offs for real-time systems.
Distribute Traffic
Master L4 vs L7 load balancing, algorithms, health checks, and when to use each. Includes OSI layer analysis and real-world architecture patterns.
Master the fundamental building blocks that power distributed systems. These patterns are reused across multiple applications.
Control Request Flow
Master Token Bucket, Fixed Window, Sliding Window Log, and Sliding Window Counter algorithms. Includes interactive simulators and performance benchmarks.
Distribute Load Evenly
Understand hash rings, virtual nodes, and B-tree implementations. Features live hash ring visualizations and load distribution analysis.
Distributed & Ordered
Design Twitter Snowflake-like ID generation. Generate unique, time-ordered 64-bit IDs at massive scale without coordination.
Event Distribution
Core infrastructure for event-driven architectures. Learn pub/sub patterns, message queues, and how systems like Apache Kafka handle distributed messaging.
Scale Across Nodes
Design a highly available, scalable key-value store. Learn CAP theorem, replication strategies, and consistency levels.
Traffic Distribution
Essential traffic distribution layer. Learn L4/L7 load balancing, health checks, and failover strategies used by every high-scale system.
Request Routing
Central entry point for microservices. Learn request routing, authentication, rate limiting, and API composition patterns.
Performance Optimization
Multi-level caching strategies for performance. Learn Redis patterns, cache-aside, write-through, and distributed caching challenges.
Full-Text Search
Distributed search infrastructure. Learn indexing strategies, relevance scoring, and how systems like Elasticsearch handle billions of documents.
Identity Management
Centralized identity and access management. Learn OAuth, JWT, session management, and how to scale authentication across distributed systems.
Complete end-to-end application designs. These combine multiple infrastructure patterns to create user-facing products.
Complete Product Design
Build a complete URL shortening service like bit.ly handling 100M URLs/day. Combines unique ID generation, caching, rate limiting, and analytics tracking.
Dropbox/Google Drive Design
Build a distributed file storage and sync system like Dropbox. Features file chunking, delta sync, conflict resolution, and real-time collaboration across devices.
Facebook/Instagram Design
Design a scalable social media feed system serving billions of users. Learn push/pull models, celebrity user optimization, real-time updates, and ML-based content ranking.