Tuning HikariCP for High-Throughput Spring Boot Services
I recently handled a production outage where a Spring Boot 3.2 service running on Java 21 started throwing SQLTransientConnectionException during …
Spring Boot OAuth 2.0 Resource Server: Securing Enterprise APIs
When moving from a monolithic session-based architecture to a distributed microservices environment, security often becomes the primary bottleneck.…
Spring Boot 3 Migration: Solving Jakarta EE Namespace Conflicts
Moving a production monolith or a fleet of microservices from Spring Boot 2.7 to 3.x is not a "bump the version and pray" task. I recentl…
Resolving Spring Boot JPA N+1 Problems with Fetch Joins
I recently audited a legacy Spring Boot 3.2 service where the dashboard latency had crept up to nearly five seconds for a simple list of "Rece…