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.
Interviews
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.
Consistency Models in Distributed Systems
Complete guide to consistency models covering strong consistency, eventual consistency, CAP theorem, linearizability, and trade-offs in distributed systems.
Abstractions in System Design - Building Modular Systems
Understanding abstractions in system design covering abstraction layers, APIs, interfaces, and how they help manage complexity in distributed systems.