Performance-Tuning

Mastering Node.js Observability: From OpenTelemetry to Custom APM Solutions

27 November 2025·2152 words·11 mins

Node.js DevOps Performance Architecture Node-Js Observability Opentelemetry Apm Monitoring Performance-Tuning Docker

It is 3:00 AM. Your pager goes off. The checkout service is experiencing high latency, but the CPU usage is flat. The logs are a chaotic stream of text, and you have no idea which database query is hanging the event loop.

Mastering the Java Memory Model in 2025: Happens-Before, Visibility, and Atomicity

13 November 2025·2075 words·10 mins

Java Concurrency Java-Memory-Model Multithreading Performance-Tuning Java-21 Best Practices Software Architecture

In the landscape of modern software development, specifically with the widespread adoption of JDK 21 and the revolutionary Virtual Threads (Project Loom), concurrency is no longer an advanced topic reserved for high-frequency trading engines. It is the default state of enterprise Java applications.

Mastering Node.js Memory Management: A Deep Dive into V8 GC and Leaks

8 November 2025·2186 words·11 mins

Performance Node.js Internals Backend Engineering Node-Js V8-Engine Memory-Leaks Garbage-Collection Profiling Performance-Tuning

Mastering Node.js Memory Management: A Deep Dive into V8 GC and Leaks # If you have been working with Node.js in a production environment for any significant amount of time, you have almost certainly encountered the dreaded FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory.

Mastering Spring Data JPA: Advanced Repository Patterns and Custom Queries in 2025

23 October 2025·1386 words·7 mins

Spring Boot Database Access Architecture Spring-Data-Jpa Java-21 Hibernate Repository-Pattern Performance-Tuning Best Practices

In the realm of enterprise Java development, Spring Data JPA remains the undisputed standard for data access. However, relying solely on the “magic” of findAll() or simple derived methods (like findByName) often leads to performance bottlenecks and unmaintainable code as applications scale.

Mastering PHP Memory Management and Garbage Collection: A Deep Dive

1 October 2025·2041 words·10 mins

PHP Internals Performance Backend Engineering Php-8 Memory-Management Garbage-Collection Performance-Tuning Xdebug Best Practices Profiling

Introduction # For a long time, the “fire and forget” nature of PHP scripts meant that memory management was rarely a top priority for developers. A script would run, render HTML, and die—taking all its allocated memory with it.

Under the Hood: A Comprehensive Guide to Go Memory Management & Garbage Collector

1 September 2025·2175 words·11 mins

Performance Go Internals System Architecture Go-Internals Garbage-Collection Memory-Management Performance-Tuning Go-1-24 Profiling

If you have been writing Go for a few years, you likely appreciate its simplicity. You don’t have to manually malloc or free memory like in C, nor do you have to wrestle with the complex borrow checker of Rust. Go just works.