Tag: java

All the articles with the tag "java".

• Why an Innocent Logging Filter Crashed Our Spring WebClient: Streaming, Netty, and the 256 KB Trap

  3 Sep, 2026

  · 6 min read

  A production post-mortem on how a common HTTP logging filter caused 500 DataBufferLimitException crashes on large payloads in Spring WebClient, and the mechanics of TCP streaming, Netty ByteBufs, and wiretaps.

• Apache Kafka on Kubernetes with Strimzi: A Complete Beginner-to-Pro Guide

  20 Aug, 2026

  · 6 min read

  A comprehensive, beginner-friendly guide to running Apache Kafka on Kubernetes using the Strimzi Operator—covering CRDs, architecture, network listeners, ACL security, and production best practices.

• Building a Mini-Kafka from Scratch in Java: Step-by-Step Learning Notes

  18 Jul, 2026

  · 8 min read

  A step-by-step educational guide on implementing a distributed commit log (Mini-Kafka) in Java, covering data storage, TCP networking, client-side semantic partitioning, and consumer offset design decisions.

• Java Reactive Programming: Project Reactor Internals vs. Virtual Threads

  1 Jan, 2026

  · 7 min read

  A deep dive comparing Project Reactor's non-blocking EventLoop pipeline with Java 21's Virtual Threads (Project Loom) memory mounting mechanics.

• Deep Dive: Building a Distributed Message Broker from Scratch

  28 Dec, 2025

  · 4 min read

  Designing and implementing a Mini-Kafka message broker from scratch in Java, covering sequential I/O storage, consumer offset tracking, partitioning strategies, and Raft consensus.