Performance oriented Spring Data JPA & Hibernate by Maciej Walkowiak

Optimize yourSpring Data JPA and Hibernate performance with expert tips on query optimization, connection pooling, lazy loading, entity mapping, and more.

Key takeaways
  • Optimizing queries is crucial for performance, and Hibernate provides tools to achieve this.
  • Using JPQL instead of HQL can improve performance by reducing the number of queries.
  • Connection pooling is essential for managing database connections, and tools like Hikari CP can help optimize it.
  • Dynamic update can be used to update only the changed fields of an entity.
  • Entity graphs can be used to specify which associations to fetch.
  • Lazy loading can be used to improve performance by reducing the number of queries.
  • JPQL queries can be optimized by using fetch joins and batch updating.
  • N+1 problem can occur when fetching related entities, and can be avoided by using fetch joins and batch updating.
  • Versioning can be used to track changes to entities.
  • Hibernate provides tools for logging and debugging, such as logging and tracing tools.
  • Distributed tracing can be used to track and analyze queries and database connections.
  • Performance issues can be caused by poorly written queries, unclosed connections, and incorrect configuration.
  • Connection pooling can help improve performance by reusing connections and reducing overhead.
  • Entity mapping can be used to optimize queries and improve performance.
  • Spring Data JPA provides tools for simplifying database operations and improving performance.
  • Hibernate provides tools for optimizing queries and improving performance, such as entity graphs and dynamic update.
  • Lazy loading can be used to improve performance by reducing the number of queries.
  • Connection pooling can help improve performance by reusing connections and reducing overhead.