What Is Apache Kafka? Plain-English Guide for Engineers (2026)

<h2> TL;DR </h2> <p>Kafka Streams enables real-time stream processing inside applications using local state backed by Kafka logs. However, deploying and managing multiple Kafka

<p>Apache Kafka <strong>4.2.0</strong> is the current supported release line, and it's the best baseline for a modern Quickstart because Kafka 4.x is fully ZooKeeper-free and

<blockquote> <p><em>I hadn’t planned a two-part series, but as I write it’s become clear the topic can’t be contained in a single article.</em></p> </blockquote> <p>Modern backend

<blockquote> <p>A practical guide to building reliable event-driven systems in Go using Apache Kafka. Learn how to implement tiered retry strategies with delayed reprocessing,

<p>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. However, what would happen if