High-performance Java - Persistence

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

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 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