Comprehensive guide to the Bulkhead pattern — Thread Pool vs Semaphore isolation internals, Resilience4j configuration, pool sizing heuristics, integration with Circuit Breaker and Rate Limiter, observability, and production failure modes.
A complete guide to processes and threads — memory layout, lifecycles, IPC, threading models, context switching, Java concurrency, virtual threads, thread pool tuning, memory visibility, and production patterns. Beginner through senior depth.
A comprehensive deep dive into Java thread pools, Netty's event loop model, Tomcat's connector architecture, HikariCP connection pooling, and how they all relate in a Spring Boot application.