System Design Archives - ITFROMZERO

Mastering confluent-kafka in Python: Secrets to Processing Millions of Events per Second

By IT From Zero September 27, 2026

Don't let your database crash from overload! A detailed guide on using confluent-kafka in Python to handle millions of events per second with production-ready configurations.

Python

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

By IT From Zero September 23, 2026

Don't let a slow third-party service bring down your entire application. Learn how to implement the Circuit Breaker Pattern in Python to protect your system.

Development

Centrifugo & Go: Secrets to Handling Millions of Real-time Connections Without Server Crashes

By IT From Zero September 11, 2026

Don't let WebSockets become your system's bottleneck. Discover how to combine Centrifugo and Go to handle millions of real-time connections smoothly and efficiently.

Database

Database Schema Design for Chat Apps: From Zero to Scaling for Millions of Users

By IT From Zero August 17, 2026

Learn how to design database schemas for chat applications from basic to advanced levels. Optimize performance with Redis, handle millions of messages, and implement cursor-based pagination.

Database

Memcached: When to Choose This ‘Veteran’ Over Redis?

By IT From Zero June 8, 2026

Memcached remains a top choice for systems requiring massive throughput. Explore installation guides, real-world comparisons with Redis, and security tips to keep your system safe.

Development

Circuit Breaker in Node.js with Opossum: Don’t Let One Failing Service Bring Down the Whole System

By IT From Zero June 4, 2026

Learn how to protect your Microservices from cascading failures using the Circuit Breaker Pattern in Node.js with Opossum. Includes detailed code examples.

Development

Practical Redis Caching: From DB Crashes to Handling Millions of Requests

By IT From Zero May 3, 2026

Key takeaways from 6 months of operating Redis in production. Detailed guide on reducing Database load from 95% to 15% using Cache-Aside, Write-Through, and Jitter TTL techniques.

Database

Deploying Redis Cluster: A Scalable Cache Solution for High-Load Systems

By IT From Zero May 1, 2026

Learn how to set up a Redis Cluster to break the limits of a single server. Detailed guide on Sharding, Hash Slots, and automatic Failover for high availability.

Development

Building a Data Streaming System with Apache Kafka and Node.js: From Zero to Production

By IT From Zero April 23, 2026

Is your system slowing down when handling massive data? Discover how Apache Kafka and Node.js solve data streaming challenges with a guide from Docker setup to real-world code.

Database

Apache Cassandra: Master the “Write-Heavy Storm” for Large-Scale Systems

By IT From Zero April 11, 2026

Master Apache Cassandra for massive write-heavy systems. This article shares query-driven data modeling strategies and performance optimization tips from real-world experience.