From 100% CPU to 68%: How We Saved 1M Database Updates from Crashing
"Handling 1M database updates triggered by a dashboard button. We decoupled PHP's synchronous timeout using RabbitMQ and a batch-processing Go worker.…
Architecture
⚑ Report a ProblemLatest Architecture news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
database
devchallenge
devops
discuss
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
softwareengineering
systemdesign
tutorial
typescript
webdev
Send your events later
I build a lot of automated workflows. Across the suite of apps that powers Ready, Set, Cloud, I have a dozen or so mature, long-running automations th…
Kafka in hospitals: real-world event architecture for HIS, LIS and billing in a Venezuelan mid-size hospital
Most Kafka “healthcare interoperability” examples are theoretical or focused on US/EU EHRs. I wanted to share a concrete case from a mid‑size hospital…
SNS vs EventBridge: the 100-point cap nobody talks about
SNS vs EventBridge: the 100-point cap nobody talks about I've been digging into AWS in depth lately. At some point I got stuck on something: EventBrid…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (5/5)
In this final article, we're going to explore Production practices 22. Events Are Delivered, Not Guaranteed A common misconception in event-driven arc…
Installing Apache Kafka 4.2 on Ubuntu (WSL2): A Complete KRaft Step-by-Step Guide
Installing Apache Kafka 4.2 on Ubuntu 24.04 (WSL2) Using KRaft Mode: A Complete Step-by-Step Guide Learn how to install Apache Kafka 4.2 in KRaft mode…
How I'd Design a Kafka-Based Payment Event Pipeline from Scratch
Architecture walkthroughs tend to show you the polished version — the diagram that survived a whiteboard, cleaned up after the fact. What they skip is…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (part-2)
This is part-2 of the article series on "Building Reliable Event-Driven Systems". In this article, we're going to explore Event Schemas . 5. Designing…
A RabbitMQ Upgrade Exposed the Reliability Assumptions Hidden in Our Messaging System
The RabbitMQ upgrade looked like a straightforward infrastructure task: move from RabbitMQ 3.X to 4.X, provision the new broker, review the client set…
Real-Time Inventory Management with Kafka: How Retailers Are Eliminating Stockouts
TL;DR Retailers process thousands of inventory transactions every second across physical stores, eCommerce platforms, warehouses, suppliers, and fulfi…
Move to Event-Driven Architecture
Like many teams we didn’t choose event-driven architecture in the first place. At first, the application was relatively simple. A user performed an ac…
Event-Driven Architecture: Uncle Explains Like You're Five 👦👨🦳
A conversation between Uncle (a backend architect) and Nephew (a curious developer) about events, publishers, subscribers, Redis Pub/Sub, RabbitMQ, an…
Building Resilient Multi-Agent Systems
Introduction AI agent systems are evolving rapidly. Today, we already see multi-agent architectures capable of solving complex problems by breaking th…
I built a Go microservices framework in 2017. Here's what 8 years of production taught it.
In 2017 I was maintaining a Node.js ecommerce server when a new project landed on my desk — an IoT platform for vehicle tracking devices. Thousands of…
Event-Driven Architecture: The Dual Write Problem and How to Solve It
You have a well-designed order service. It writes to the database and publishes an event to Kafka. Clean, decoupled, event-driven. Then Kafka has a br…
We Trusted Auto-Ack. The Queue Agreed. Our Costs Didn't.
Most async bugs announce themselves. This one didn't. No failed jobs. No customer complaints. No error logs. Just infrastructure costs climbing steadi…
Why Distributed Transactions Fail and How the Outbox Pattern Helps
While covering the Outbox Pattern in my earlier article on CQRS , I realized there was much more depth to it than I initially planned to discuss — and…
An Ash-Inspired DDD Framework for Python: Derive Everything from the Domain Model
I've been building PingerAgents — a multitenant AI agent orchestration platform. Along the way I ended up writing something that felt worth writing up…
RabbitMQ vs Kafka: Choosing the Right Messaging System for Real Backend Architectures (part-2)
This is my part-2 of the topic, in case you would like to go beyond basics of RabbitMQ and Kafka have look at my part-1. RabbitMQ vs Kafka: Choosing t…
How Apache Kafka Powers Real-Time Data Pipelines
Most standard data pipelines run on a schedule. You use tools like Airflow and dbt to extract and transform large batches of API data once a day. Howe…
Event Sourcing beyong the theory
Event Sourcing has always been an interesting subject to me. I used to work at a manufacturing company, specifically on a product that handled invento…
Contract-First Event-Driven Architecture on AWS
When event-driven systems grow past a handful of services, the biggest failures usually are not infrastructure failures. They are contract failures . …