High-performance Java Persistence Page

The foundation of any Java data access layer is . Even when using JPA, the performance of your application is heavily dictated by how you handle raw database interactions.

Use PreparedStatements to allow the database to cache execution plans. This reduces parsing overhead and protects against SQL injection. 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 The foundation of any Java data access layer is

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