How to Install Apache Kafka on Ubuntu 26.04 LTS (KRaft Mode, No ZooKeeper)
Table of Contents What is Apache Kafka and When Should You Use It KRaft Mode: Why ZooKeeper is No Longer Needed Prerequisites Step 1: Install Java 21 …
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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…
Kafka addressing & VPC peering
If you've ever tried to connect a Kafka client that lives in a different VPC than the cluster, you've probably hit this issue where there's a route be…
Core Concept: Leader Election via Consensus
It's not agreeing on a transaction that's often the most expensive consensus operation in a distributed system, it's agreeing on who gets to decide . …
Kafka Partitioning Strategies: How to Get It Right Before It Costs You
Most engineers don't think seriously about Kafka partitioning until something breaks in production. A topic that worked fine at low volume starts fall…
Five days with eventferry — MySQL, SQL Server, MSK IAM, and a core that didn't move
Five days ago I posted I built a transactional outbox toolkit for Node.js — meet eventferry . The pitch was small and specific: Postgres + Kafka, the …
I Built a Local-First Kafka GUI From Scratch to Handle Massive Clusters
Every data engineer or backend developer who has worked with Apache Kafka eventually runs into the same wall: tooling . For a long time, I felt stuck …
How to Integrate Apache Kafka with Spring Boot: A Production-Ready Guide
When a Spring Boot service needs to talk to another service without waiting on a synchronous HTTP call, message queues are the usual answer. Apache Ka…
I Built a Mini Message Broker in Pure Python and Finally Understood How Kafka Moves Millions of Events
Last year I was on a team that pushed 40 million events per day through Kafka. We had consumer lag alerts, rebalancing incidents, and a whole runbook …
You can do WHAT with a Kafka proxy?
At Current 2026, I realized that nobody knows exactly what a Kafka proxy can do. Most engineers and architects think it's just some kind of reverse-pr…
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…
"Confluence Docs Lie. Tie Your Documentation to Code Instead."
Every team has that Confluence page. The one that was carefully written to explain what the service does, what the API looks like, what each DB column…
Real-Time Notification Systems Are Harder Than Most Teams Expect
If you’ve ever thought, “It’s just a WebSocket event,” this article is for you. Notification systems look simple on the surface, but in production the…
Apache Kafka Explained: A Practical Beginner Guide for Data Engineers
If you're learning data engineering, you'll probably meet Apache Kafka very early. You'll see it in job descriptions, system design diagrams, real-tim…
klag just got a bunch better — here’s what’s new.
Over half year ago I’ve open sourced klag, a lightweight Kafka consumer lag exporter. I’ve been working in data streaming systems and data infrastruct…
Strimzi: Create a simple Mutual TLS (mTLS) authentication
You probably already know about Strimzi . Strimzi enables Kafka on Kubernetes , simple as that. So, in this post, I will not talk about Strimzi , but …
Kafka for Data Engineers: Core Concepts, KRaft, and the Patterns That Actually Work
If your Kafka Docker Compose still has a ZooKeeper service in it, your setup is already legacy. As of Kafka 4.0 (released March 2025), ZooKeeper is go…
Shifting from Databases to Kafka: How to Build an Indestructible Data Pipeline
When you start building an app, keeping your data consistent is easy. If a user changes something, your code updates the database, and you're done. Bu…
5 Things Kafka Practitioners Actually Said at Current 2026
We were at Current 2026 in London two weeks ago. Keynotes about agentic AI and streaming agents but conferences conversations were about something els…
Integration Digest for May 2026
Articles 🔍 Bucket4j + Infinispan: A Deep Dive Into Implementation A code-level walkthrough of running Bucket4j rate limiting on top of embedded Infini…
Apache Kafka End of Life: Kafka Versions EOL Every 4 Months — Are You Behind?
Apache Kafka's release cadence is fast. A new minor version ships roughly every four months. EOL dates arrive quickly — and because Kafka sits at the …
How to analyze the cost of Kafka?
Which side are you on: "This is just what Kafka costs at scale" or "We should switch to a cheaper Kafka provider"? At Conduktor , our field team works…
Building a Real-Time Kafka + Cassandra Pipeline
Introduction Apache Kafka and Apache Cassandra pair effectively because they complement each other's strengths: Kafka handles high throughput, real-ti…
A Beginners guide to Real-time Data Streaming with Apache Kafka
Introduction Ever wondered how banks are able to detect and stop fraud in real-time? This is how they do it. Banks process thousands of transactions e…
Resurrecting SARA: Building a Polished Web Control Center for an Automated AI Video Pipeline
This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built I built the SARA Pipeline Control Center —a web-driven graphical orchestra…
I kept improving my .NET order pipeline after a CTO left feedback. Here is where it ended up.
A few weeks ago I published an article about an event-driven order pipeline I built in .NET. A CTO named Andrew Tan left a comment pointing out that m…
Apache Kafka for Beginners: Building Real-Time Streaming Systems with Python
Apache Kafka is widely recognized as the go-to way system for real-time event streaming. Modern systems across banking, e-commerce, healthcare, gaming…
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…
KubeCon Amsterdam 2026: The Industrialization of ML - A Deep Dive into Uber’s AI Platform Architecture.
This article serves as a technical follow-up to our KubeCon 2026 coverage, providing a comprehensive deep dive into the architecture and evolution of …
Optimizing the Edge: Advanced AV1 Implementation for Android TV in 2026
The 2026 Context: From "Testing" to "Triage" In my previous post, I discussed why AV1 is no longer optional for Fire TV Stick 4K Max users. But as we …