🚀 System Design

IMPORTANT

“There is no solution, there are only tradeoffs.” — Thomas Sowell (Commonly quoted in System Design)

Welcome to the System Design notes repository. Here you’ll find concepts, patterns, technologies, and step-by-step case studies for designing scalable, reliable, and maintainable software systems.

🧭 Core Concepts

Fundamental concepts and architecture principles.

• Approach: 0. How to Deliver Answer
• Overview: 1. Core Concepts
• Requirements: 2. FRs vs NFRs
• Theory: 3. CAP Therom
• Design: 4. API Design
• Distribution: 5. Consistent hasing
• Scaling & Storage: 6. Sharding
• Communication: 7. Long Polling vs SSE vs Web Socket
• Glossary: 8. SD Words List

🗄️ Data Structures

• 1. Inverted Index
• 2. Bloom Filter

🛠️ Technologies

Various infrastructure components, databases, and message brokers.

• Caching & Key-Value: 1. Redis | 12. Cache
• Search Engine: 2. Elasticsearch
• Event-Driven: 3. Event Driven Arch (EDA)
• Message Brokers: 4. Message Queue | 5. Kafka | 6. RabbitMQ | 7. Kafka vs RabbitMQ
• Routing & Networking: 8. RP vs LB vs GWs | 9. Load Balancer | 10. API Gateway
• Data Integration: 11. CDC
• Storage: 13. BLOB
• Interesting Topics: 1. DRM

📐 Patterns

Common architectural patterns for handling system load.

• 1. Scaling Reads

📝 Case Studies & Questions

Deep dives into designing real-world systems.

• Booking systems: 0. Ticket Master
• URL Shortener: 1. Bit.ly
• Storage & Sync: 2. Dropbox
• Social Media: 3. FB News Feed
• Real-Time Matches: 4. Tinder
• Online Judge: 5. Leetcode
• Messaging: 6. Whatsapp