I am Tuanh.net. As of 2024, I have accumulated 8 years of experience in backend programming. I am delighted to connect and share my knowledge with everyone.
Backend developer
13h ago · 12 min read · Source: Methods to Tune JVM Container Awareness for Real Kubernetes Resource Constraints You shipped the service, the green pipeline smiled, and then production nodes started killing pods. The symptom is deceptively simple — an OOMKilled pod — but ...
Join discussion
1d ago · 13 min read · Source: Methods to Handle Time Drift Issues in Distributed Systems Many production incidents start with a moment of cognitive dissonance: logs from service A show an event happening "after" an event in service B, but tracing reveals the opposite. D...
Join discussion
2d ago · 11 min read · Source: Techniques to Make Database Integration Tests Fast Enough for Developers to Actually Run Them There is a particular kind of dread in a codebase when a developer hears "run the integration tests" — it sounds like a half-hour ritual of waitin...
Join discussion
4d ago · 10 min read · Source: Methods to Prevent Duplicate Cron Execution Across Multiple Spring Boot Instances Modern cloud deployments scale application pods horizontally. A cron defined with Spring's @Scheduled suddenly runs N times — once per pod — unless you design...
Join discussion
Apr 18 · 12 min read · Source: Methods to Handle Zombie Requests After the User Already Closed the Browser 1. An opening scenario (why the problem matters) Browsers close all the time — users switch tabs, hit the X, or their laptop goes to sleep. For many web applic...
Join discussion
