Production bugs are different from development bugs

Locally everything works.

In production, the same code runs for days — and that’s where problems appear:

Memory slowly increasing

Threads getting blocked

Services timing out

Performance degrading gradually

I wrote a few practical guides based on real debugging experience:

Spring Boot Memory Leak Debugging
https://shikhanirankari.blogspot.com/2026/02/spring-boot-memory-leak-debugging.html

Java Memory Management Explained
https://shikhanirankari.blogspot.com/2026/02/java-memory-management-explained.html

Spring Boot Performance Tuning Guide
https://shikhanirankari.blogspot.com/2026/02/spring-boot-performance-tuning-guide.html

Microservices Communication Patterns
https://shikhanirankari.blogspot.com/2026/02/microservices-communication-patterns.html

French blogs: https://shikhanirankari.blogspot.com/search/label/French

Curious — what production issue took you the longest to diagnose?