If you need to insert 100,000 records, iterating session.save() is slow. The PDF explains in detail.
Caching can greatly improve performance by reducing the number of database queries. Consider using: High-performance Java Persistence.pdf
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For further learning, we recommend:
Did you know how the ID generation strategy affects batching? If you use IDENTITY (MySQL Auto-Increment), Hibernate disables JDBC batch inserts immediately because it needs the DB to generate the ID. ✅ The Fix: Use SEQUENCE identifiers (PostgreSQL, Oracle) to allow Hibernate to batch your inserts, reducing network chatter significantly. If you need to insert 100,000 records, iterating session
At 12:21 AM, the pipeline turned green. The client would get their feature. The VP would get his demo. And Maya, for the first time, understood that JPA was not a magic ORM—it was a powerful engine, and she had just learned to drive it. Consider using: : For further learning, we recommend: