Design a Distributed Key-Value Store
Complete key-value store design covering requirements, API design, consistent hashing, data partitioning, replication strategies, failure handling, and scaling.
System Design
Load Balancers Layer 4 vs Layer 7 - Deep Dive
Complete guide to load balancer types covering Layer 4 (transport layer), Layer 7 (application layer), OSI model, and implementation strategies.
Load Balancers Explained - Part 1
Complete guide to load balancers covering algorithms (round-robin, least connections), global vs local load balancing, stateful vs stateless approaches, and scaling strategies.
Approximate Calculations for System Design Interviews
Complete guide to approximate calculations covering capacity estimation, bandwidth calculations, QPS estimation, storage planning, and latency numbers every engineer should know.
Fault Tolerance - Designing Resilient Systems
Complete guide to fault tolerance covering failure modes, redundancy strategies, circuit breakers, graceful degradation, and designing systems that survive failures.
System Maintainability - Building Evolvable Systems
Complete guide to system maintainability covering code quality, documentation, modularity, observability, and designing systems that evolve gracefully over time.
System Scalability - Horizontal and Vertical Scaling
Complete guide to scalability covering horizontal and vertical scaling strategies, stateless architecture, caching, database sharding, and handling massive traffic.
System Reliability - Building Dependable Systems
Complete guide to system reliability covering MTBF (Mean Time Between Failures), MTTR (Mean Time To Recovery), fault tolerance, and building dependable distributed systems.
System Availability - Understanding Uptime and SLAs
Complete guide to system availability covering uptime calculations, SLA requirements, five nines availability, redundancy strategies, and high availability architecture.
Failure Models in Distributed Systems
Complete guide to failure models covering crash failures, omission failures, Byzantine failures, network partitions, and fallacies of distributed systems.