Nithidol V. – Java & Spring Boot Engineer

Spring Boot Did Not Leak Memory. Redis Had No Exit

Redis memory kept growing in Spring Boot because cache keys had no TTL, maxmemory, eviction policy, or namespace-level monitoring.

A production-style Java file handling lesson about Files.move(), reused filenames, race conditions, and safer file lifecycle design.

Learn how to build trusted report automation with data readiness, reconciliation, audit trails, and verification.

Learn how a shared Kafka consumer group ID caused rebalancing issues across environments and how to prevent it.

Learn why Spring Boot Kafka consumers generate duplicate reports and how acknowledgments, retries, leases, and idempotency fix it.

See how Redis changed Spring Boot API latency, throughput, and P95 response time in a practical cache benchmark.

Spring Boot API latency investigation showing slow responses despite fast PostgreSQL queries, with real metrics and optimization insights.

Real Spring Boot benchmarks compare JPA and JDBC on PostgreSQL with 10 million rows, showing why ORM overhead explodes at scale.

Learn how to build a multi-step form wizard in Angular 20 using PrimeNG p-steps and Reactive Forms with validation and logic.

Learn how to use Spring AI Advisors to manage context, logging, and conversational memory in Spring Boot AI applications.