High-performance Java Persistence -

Database connections are expensive to create. Always use a connection pool (like HikariCP ) and monitor it with tools like FlexyPool to find the right pool size.

High-Performance Java Persistence: A Guide to Scalable Data Access High-Performance Java Persistence

Instead of sending 100 separate INSERT statements, use JDBC batching to send them in a single network round-trip. For Hibernate users, this requires setting hibernate.jdbc.batch_size . 2. Optimize JPA & Hibernate Mapping Database connections are expensive to create

High-performance Java persistence isn't just about choosing a library; it’s about understanding the entire stack, from the up to high-level frameworks like Hibernate and JPA . To build a system that doesn't "barely crawl" under load, you must master how data moves between your application and the database. 1. Master the Fundamentals: JDBC & Connection Management For Hibernate users, this requires setting hibernate