Architecture Archives

Programming tutorial - IT technology blog

Implementing Event Sourcing and CQRS in Node.js: Resilient Projections and State Management

October 14, 2026

Traditional CRUD apps overwrite history with every SQL UPDATE. Learn how to implement Event Sourcing and CQRS in Node.js with optimistic concurrency control, aggregate rehydration, and resilient read projections.

Database

Offline-First is a Philosophy, Not a Feature: A 6-Month SQLite Sync Review

June 8, 2026

A deep dive into building resilient offline-first apps. Based on six months in production, we analyze sync strategies, ULID implementation, and conflict resolution using SQLite and PostgreSQL.

Programming

Beyond Boolean Soup: Architecting Robust React Logic with XState

June 5, 2026

Eliminate impossible states and simplify complex React logic. This guide explores XState from basic transitions to advanced async API handling with real-world examples.

Database

Scaling IoT to Billions of Points: A 6-Month InfluxDB Field Report

May 9, 2026

Real-world lessons from migrating 1,200 IoT sensors from PostgreSQL to InfluxDB. Learn why B-Trees fail at scale and how downsampling can reduce your storage costs by 85%.

Database

Stop Over-Engineering: High-Performance PostgreSQL Search without Elasticsearch

April 20, 2026

Is Elasticsearch overkill for your app? Learn how we achieved sub-100ms search on 1.2M rows using PostgreSQL's native GIN indexes and tsvector.

Database

OLAP vs OLTP: Why Your Analytical Queries are Killing Production

April 6, 2026

Is a single query crashing your app? Learn the difference between OLTP and OLAP, why row storage fails at scale, and how to build a stable data architecture.