system design

Fundamental Caching Questions Cache Operations & Mechanics Distributed Caching Web & HTTP Caching Caching in Databases & Applications Scenario & Design Questions Performance, Metrics & Tradeoffs

Load Balancing – Core Concepts Load Balancing Algorithms Load Balancer Types Health Checks & Fault Tolerance Load Balancing in Microservices & Distributed Systems

Fundamental Indexing Questions (Basics) Index Behavior & Performance Impact Practical & SQL-Level Index Questions Advanced & System-Level Index Concepts Scenario & Behavioral / Problem Solving Questions Tips for Answering These During Interviews ✔ Always relate your answer to performance impact and real use cases. ✔ Use practical examples like search, sorting, joins, aggregation, etc. ✔ […]

Core Scalability Concepts Load Handling & Traffic Management Data Storage & Database Scaling High-Level / Real Systems Advanced & Scenario-Based Tips for Answering Scalability Questions ✔️ Clarify requirements first: Ask about traffic patterns, data size, SLAs, and failure expectations.✔️ Draw architecture diagrams: Use boxes and arrows to show components and data flows.✔️ Discuss trade-offs: E.g., […]