Interviews

Introduction to databases for system design covering data storage, retrieval, relational databases, NoSQL, and choosing the right database for your application.

Complete guide to load balancers covering algorithms (round-robin, least connections), global vs local load balancing, stateful vs stateless approaches, and scaling strategies.

Complete guide to system maintainability covering code quality, documentation, modularity, observability, and designing systems that evolve gracefully over time.

Understanding abstractions in system design covering abstraction layers, APIs, interfaces, and how they help manage complexity in distributed systems.

Complete guide to NoSQL databases including document stores, key-value stores, column-family databases, and graph databases for unstructured data.

Complete guide to load balancer types covering Layer 4 (transport layer), Layer 7 (application layer), OSI model, and implementation strategies.

Complete guide to fault tolerance covering failure modes, redundancy strategies, circuit breakers, graceful degradation, and designing systems that survive failures.

Complete guide to consistency models covering strong consistency, eventual consistency, CAP theorem, linearizability, and trade-offs in distributed systems.

Structured preparation guide for system design interviews covering learning resources, practice strategies, common patterns, and step-by-step preparation plan.

Complete guide to database resiliency covering replication (master-slave, multi-master), backup strategies, and disaster recovery for system design interviews.