Blog
system design articles
Read 3 public posts tagged system design — career insights and technical writing from ProfileDocker authors.
Top-K Frequent Elements Algorithm: Efficient Scaling with Min-Heap and Java
Learn how Netflix, Amazon, and Twitter compute trending items in real-time. Master the Top-K algorithm using a Java Min-Heap to scale from O(N \log N) to O(N \log K)
Shantan Kumar Golla
How Systems Scale from 1K to 1 Million Users | Complete System Design Guide
Scaling a system from 1,000 to 1 million users requires more than just adding servers. This detailed system design guide explains how modern applications evolve using load balancing, caching, database optimization, microservices, event-driven architecture, Redis, Kafka, CDN, sharding, and reliability engineering. Learn practical scalability strategies, performance optimization techniques, and real-world backend architecture patterns used in large-scale applications.
Shantan Kumar Golla
How Load Balancers Work Internally: The Hidden Intelligence Behind Every Scalable System
Discover how load balancers work internally with Layer 4 vs Layer 7 routing, health checks, SSL termination, routing algorithms, and scalable architectures.
Shantan Kumar Golla