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How Kubernetes Manages Container Scaling and Load Balancing

https://sudonull.com/how-kubernetes-manages-container-scaling-and-load-balancing

Learn how does kubernetes manage container scaling and load balancing with HPA, cluster autoscaler, and service mesh. Master production-grade autoscaling and traffic distribution.

Load Testing: Checklist and Fails

https://sudonull.com/load-testing-checklist-and-fails

Study the systematic approach to LT: from token race and 403 errors to stable 226 RPS. Checklist of DB, cache, frontend optimizations. For middle/senior dev. Start testing now.

Load Testing 2026: courses for QA engineers | Guide

https://sudonull.com/load-testing-2026-courses-for-qa-engineers-guide

How to choose a load testing course in 2026. Program evaluation criteria, learning strategy for different levels, practical employment tips.

PostgreSQL Tuning: AI vs Load Tests

https://sudonull.com/postgresql-tuning-ai-vs-load-tests

Comparison of AI Recommendations and Real PostgreSQL Benchmarks. Learn how OLTP and OLAP configs affect performance and why tests are more important than theory.

Coexistence of legacy code in high-load systems

https://sudonull.com/coexistence-of-legacy-code-in-high-load-systems

Learn why removing legacy code is risky and how to apply feature toggles for safe coexistence in Spring Boot. Strategies for middle/senior dev without refactoring risks. Practical examples.

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