System Design Blog145
In-depth articles on system design fundamentals, architecture patterns, databases, scalability, and interview preparation.
Start the Learning Roadmap
Follow our structured 6-phase path from fundamentals to system design interviews. Track your progress as you go.
Interview Preparation Hub
DSA practice sheets, system design questions (HLD & LLD), behavioral prep, and AI/ML — all with progress tracking.
Browse by Category
System Design Fundamentals
Core concepts every engineer should know
Networking
DNS, CDNs, load balancers, protocols
Databases
SQL, NoSQL, sharding, replication
Caching
Redis, Memcached, CDN caching strategies
Messaging & Queues
Kafka, RabbitMQ, event-driven architecture
Storage & File Systems
Object storage, distributed file systems
Architecture Patterns
Microservices, monoliths, serverless
Scalability
Horizontal scaling, auto-scaling, performance
Security
Authentication, authorization, encryption
Case Studies
Real-world system designs from top companies
Advanced Topics
Consensus algorithms, distributed transactions
System Design Interviews
Interview frameworks, cheat sheets, and common system design questions