Code Mill Hub | Backend Engineering https://code-mill-hub.com/blog/ Deep dives into Java, Spring Boot, and high-performance backend architecture. en-us shflzp12@gmail.com (Maria) shflzp12@gmail.com (Maria) Wed, 27 May 2026 00:00:00 GMT https://code-mill-hub.com/blog/spring-boot/2026-05-27-220049-post/ Unlocking Peak Performance: Harnessing Java Virtual Threads with Spring Boot 4.0 https://code-mill-hub.com/blog/spring-boot/2026-05-27-220049-post/ Explore how Java Virtual Threads, integrated with Spring Boot 4.0, offer a revolutionary approach to build highly concurrent and scalable backend services with simplified imperative code, addressing critical production bottlenecks. Wed, 27 May 2026 00:00:00 GMT shflzp12@gmail.com (Maria) Java 25Spring Boot 4.0Virtual ThreadsConcurrencyPerformanceBackend Architecture https://code-mill-hub.com/blog/spring-boot/2026-05-30-210403-post/ Mastering Advanced Caching Strategies for High-Performance Spring Boot Microservices https://code-mill-hub.com/blog/spring-boot/2026-05-30-210403-post/ This post deep dives into advanced caching techniques, from local in-memory solutions to distributed caches with Redis, and tackles crucial invalidation strategies using Apache Kafka to dramatically improve Spring Boot microservice performance and resilience. Sat, 30 May 2026 00:00:00 GMT shflzp12@gmail.com (Maria) CachingSpring BootPerformanceMicroservicesRedisCaffeineApache Kafka https://code-mill-hub.com/blog/spring-boot/2026-06-03-mastering-high-volume-data-persistence-spring-boot-jpa-postgresql/ Mastering High-Volume Data Persistence: Efficient Batch Operations with Spring Boot, JPA, and PostgreSQL https://code-mill-hub.com/blog/spring-boot/2026-06-03-mastering-high-volume-data-persistence-spring-boot-jpa-postgresql/ This post dives deep into optimizing data ingestion and bulk persistence challenges in Spring Boot applications, detailing advanced JPA and native JDBC batching techniques to achieve blazing-fast writes to PostgreSQL. Wed, 03 Jun 2026 00:00:00 GMT shflzp12@gmail.com (Maria) Spring BootJPAPostgreSQLPerformanceBatch ProcessingJava 25 https://code-mill-hub.com/blog/spring-boot/2026-06-09-mastering-graalvm-native-images-spring-boot-4-java-25-fast-startup-low-memory/ [2026 Deep Dive] Mastering GraalVM Native Images for Spring Boot 4.0 & Java 25: Blazing Fast Startup & Minimal Memory Footprint https://code-mill-hub.com/blog/spring-boot/2026-06-09-mastering-graalvm-native-images-spring-boot-4-java-25-fast-startup-low-memory/ This definitive guide empowers backend engineers to leverage GraalVM Native Images with Spring Boot 4.0 and Java 25, drastically cutting application startup times and memory consumption for cloud-native microservices. Tue, 09 Jun 2026 00:00:00 GMT shflzp12@gmail.com (Maria) GraalVMSpring Boot 4.0Java 25Native ImageAOTPerformanceDockerMicroservicesBackend Architecture