Spring Boot Persistence Best Practices: Optimize Java Persistence Performance in Spring Boot Applications

© Anghel Leonard 2020

A. LeonardSpring Boot Persistence Best Practiceshttps://doi.org/10.1007/978-1-4842-5626-8_6

6. Connections and Transactions

Anghel Leonard¹ 

(1)

Banesti, Romania

 

Item 60: How to Delay Connection Acquisition Until It’s Really Needed

Starting with Hibernate 5.2.10, the database connection acquisition can be delayed until it’s really needed.

For a hypersonic guide about Spring transaction propagation, check out Appendix G.

In the case of resource-local (a single datasource), Hibernate will acquire the database connection of a JDBC transaction right after the transaction starts (e.g., in Spring, a method annotated with @Transactional acquires the database connection immediately after it is called).

In resource-local, a database connection ...