High-performance Java Persistence.pdf Jun 2026

Never use FetchType.EAGER in mappings. It is an unchangeable global setting that forces Hibernate to load associations even when they are not needed for a specific business use case.

You cannot fix what you cannot see. The PDF acts as a guide to interpreting logs: High-performance Java Persistence.pdf

To execute bulk writes efficiently, you must explicitly enable JDBC batching in your application.properties or persistence.xml : properties Never use FetchType

hibernate.jdbc.batch_size=50 hibernate.order_inserts=true hibernate.order_updates=true Use code with caution. High-performance Java Persistence.pdf