Archives

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.

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.

A comprehensive technical study guide on the Kubernetes Operator Pattern—explaining CRDs, Level-Triggered Controllers, Informer Caches, Reconcile Loops, and Strimzi Kafka primitives.

Personal learnings and mental models on how the Kubelet executes Startup, Readiness, and Liveness probes—and how to avoid cascading outages in production.

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.

A deep-dive analysis of why deploying Pgpool-II in High Availability (Watchdog) mode via Helm charts triggers catastrophic transactional failures and split-brains in Camunda 7 workflow engines.

A highly technical masterclass exploring PostgreSQL's process-per-connection architecture, OS socket constraints, HikariCP's lock-free ConcurrentBag internals, and precision performance tuning for Spring Boot.

Common issue in kafka

Concurrency control paradigms in java

Basics of kafka consumer groups

Managing dev env

Exploring kafka internals

A deep dive into DynamoDB partition structures, request distribution mechanics, and AWS's Adaptive Capacity algorithms for mitigating hot-partition read/write starvation.

A deep dive into Merkle Tree internals, their cryptographic validation pathways, and their crucial role in managing distributed database repairs and blockchain block verifications.

A deep comparative study of SaaS database multitenancy patterns, detailing PostgreSQL Row-Level Security (RLS) policies and dynamic datasource routing in Spring Boot.

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

Just some reading notes

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.

Exploring how internet did not collapse with limited IPv4 addresses