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System Design
Master system design from fundamentals to advanced distributed architectures, with real-world case studies and interview preparation.
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Jan 10, 202612 min read
System Design
E-Commerce
Saga Pattern
Design an E-Commerce Order Processing System
Design a fault-tolerant e-commerce order system with inventory management, payment processing, saga pattern for transactions, and event-driven order fulfillment.
Dec 10, 20259 min read
System Design
Observability
Monitoring
Monitoring, Observability, and Site Reliability
Build observable systems with structured logging, distributed tracing, and metrics dashboards. Learn SRE practices including SLOs, error budgets, and incident response.
Nov 12, 202510 min read
System Design
CAP Theorem
Distributed Systems
CAP Theorem and Distributed Consensus
Understand the CAP theorem, its practical implications, and distributed consensus algorithms like Raft and Paxos. Learn how real databases handle partition tolerance.
Nov 05, 202511 min read
System Design
Rate Limiting
Algorithms
Design a Rate Limiter: Algorithms and Implementation
Build a distributed rate limiter using token bucket, sliding window, and leaky bucket algorithms. Covers Redis-based implementation and API gateway integration.
Oct 15, 20257 min read
System Design
API Design
Rate Limiting
API Design, Rate Limiting, and Authentication
Design robust APIs with proper rate limiting, OAuth2 authentication, and versioning. Learn RESTful best practices and API gateway patterns for production systems.
Oct 05, 202510 min read
System Design
Notifications
Message Queue
Design a Scalable Notification System
Architect a multi-channel notification system supporting push, email, SMS, and in-app alerts. Learn priority queues, template engines, and user preference handling.
Sep 18, 20258 min read
System Design
Sharding
Partitioning
Database Sharding and Partitioning at Scale
Deep dive into database sharding and partitioning strategies. Learn hash-based, range-based, and geographic sharding with real-world examples and trade-offs.
Sep 05, 202512 min read
System Design
Chat System
WebSockets
Design a Real-Time Chat System Like WhatsApp
Design a scalable real-time chat system with WebSockets, message delivery guarantees, read receipts, group chats, and offline message synchronization strategies.
Aug 22, 20258 min read
System Design
Message Queues
Kafka
Message Queues and Event-Driven Systems
Learn how message queues like Kafka, RabbitMQ, and SQS enable event-driven architectures. Understand pub/sub patterns, guaranteed delivery, and async processing.
Aug 05, 20259 min read
System Design
URL Shortener
Hashing
Design a URL Shortener: A Complete Walkthrough
Step-by-step system design for a URL shortener like Bitly. Covers hashing algorithms, base62 encoding, database schema, caching layer, and analytics tracking.
Jul 25, 202510 min read
System Design
Caching
Redis
Caching Strategies in System Design
Explore caching strategies like write-through, write-back, and cache-aside for system design. Learn Redis caching patterns and CDN optimization techniques.
Jun 28, 202510 min read
System Design
Databases
SQL
Databases: SQL vs NoSQL and Choosing the Right One
Compare SQL and NoSQL databases for system design. Learn when to use PostgreSQL, MongoDB, Cassandra, or DynamoDB based on your data model and access patterns.
Jun 01, 202511 min read
System Design
Load Balancing
Nginx
Load Balancing and Reverse Proxies: Distributing Traffic
Master load balancing algorithms and reverse proxy patterns. Learn how Nginx, HAProxy, and cloud load balancers distribute traffic across servers effectively.
May 02, 20259 min read
System Design
Scaling
Horizontal Scaling
Scaling Strategies: Horizontal vs Vertical Scaling
Compare horizontal and vertical scaling strategies for distributed systems. Understand when to scale up vs scale out and the trade-offs of each approach.
Apr 05, 20258 min read
System Design
Fundamentals
Architecture
System Design Fundamentals: Thinking at Scale
Learn the core principles of system design including scalability, availability, and consistency. A beginner-friendly guide to thinking about large-scale systems.