System Design
Deep dives into system design concepts, from databases and caching to distributed systems and scalability patterns.
Articles
Load Balancers
Learn how load balancers enable horizontal scalability by distributing traffic across multiple servers. Understand load balancing algorithms, request flow, and key advantages for building resilient systems.
Async Processing with Message Queues, Streams, and Pub/Sub
Learn when and why to use asynchronous processing. Understand message queues, streams, and real-time Pub/Sub for building scalable, decoupled systems.
Caching
Understand caching fundamentals: what it is, why it matters, and how to use it. Learn about cache architecture, key-value access patterns, and real-world examples with Redis and Memcached.
Non-Relational Databases
Explore the world of NoSQL databases: Document DBs, Key-Value Stores, and Graph Databases. Learn when to use each type, their trade-offs, and why they scale horizontally out of the box.
Understanding Database Scaling and Sharding Patterns
Master database scaling from vertical to horizontal scaling, read replicas, sharding strategies, and partitioning techniques. Learn when to use synchronous vs asynchronous replication and how to choose the right shard key.
Database Transaction Internals
Deep dive into how database transactions work under the hood. Understand ACID properties, isolation levels, locking mechanisms, and implementation across PostgreSQL, MySQL, and MongoDB