# Meet Jos Roseboom

DevFeed: [Meet Jos Roseboom](<https://devfeed.tech/articles/meet-jos-roseboom-21985.md>)

Original publisher: [Read original article](<https://vladmihalcea.com/meet-jos-roseboom/>)

Author: vladmihalcea

Published: 2026-09-11T04:23:25Z

Content type: article

Language: en

Sources: [Vlad Mihalcea](<https://devfeed.tech/sources/vlad-mihalcea.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [Spring Framework](<https://devfeed.tech/topics/spring-framework.md>), [Spring Boot](<https://devfeed.tech/topics/spring-boot.md>), [Jakarta EE](<https://devfeed.tech/topics/jakarta-ee.md>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [article](<https://devfeed.tech/tags/article.md>), [blog](<https://devfeed.tech/tags/blog.md>), [community](<https://devfeed.tech/tags/community.md>), [conference](<https://devfeed.tech/tags/conference.md>), [framework](<https://devfeed.tech/tags/framework.md>), [hibernate](<https://devfeed.tech/tags/hibernate.md>), [interview](<https://devfeed.tech/tags/interview.md>), [jakarta-ee](<https://devfeed.tech/tags/jakarta-ee.md>), [java](<https://devfeed.tech/tags/java.md>), [jpa](<https://devfeed.tech/tags/jpa.md>), [performance](<https://devfeed.tech/tags/performance.md>), [performance-tuning](<https://devfeed.tech/tags/performance-tuning.md>), [spring](<https://devfeed.tech/tags/spring.md>), [spring-boot](<https://devfeed.tech/tags/spring-boot.md>)

## AI overview

An interview with Jos Roseboom about JPA and Hibernate performance tuning, based on his JavaZone talk. He describes production incidents involving exhausted database connections and excessive queries caused by fetching entities and following associations.

## Source excerpt

JavaZone 2026 At the beginning of September, I participated in JavaZone for the third time and had the privilege of meeting a lot of passionate software developers willing to share their knowledge with the community. In the first conference day, I attended a very good talk about JPA performance tuning that was delivered by Jos Roseboom and since I enjoyed his talk, I proposed him to gave an interview for this blog. Therefore, in this article we have the pleasure of getting to know Jos and take opportunity of learning about Spring... Read More The post Meet Jos Roseboom appeared first on Vlad Mihalcea.