System design - Last Minute Interview Guide

🚀 System Design Interview Revision Guide

This guide is designed for engineers who want a quick yet comprehensive revision of key System Design concepts before an interview. Whether you're preparing for senior developer, lead, architect, or engineering manager roles, these are some of the most frequently discussed topics in real-world interviews.

📚 Topics Covered

• Apache Kafka — Distributed Event Streaming Platform

• Redis — In-Memory Caching & Data Structures

• Primary–Replica Architecture & Failover Strategies

• Fault Tolerance, High Availability & CAP Theorem

• Performance Engineering & Scalability Techniques

• Large-Scale File Processing Pipeline Design

• Load Balancers — Types, Algorithms & Use Cases

• Rate Limiting — Token Bucket, Leaky Bucket & Sliding Window

• CDN, Edge Computing & Multi-Layer Caching Architecture

• Distributed Transactions & Saga Pattern

• Microservices Architecture & Service Discovery

• Monitoring, Observability, SLIs, SLOs & Error Budgets

🎯 Perfect for last-minute interview preparation, concept revision, and refreshing system design fundamentals.