Speed Up Your Hibernate Applications with Second-Level Caching

igh-volume database traffic is a frequent cause of performance problems in Web applications. Hibernate is a high-performance, object/relational persistence and query service, but it won't solve all your performance issues without a little help. In many cases, second-level caching can be just what Hibernate needs to realize its full performance-handling potential. This article examines Hibernate's caching functionalities and shows how you can use them to significantly boost application performance.

An Introduction to Caching

Caching is widely used for optimizing database applications. A cache is designed to reduce traffic between your application and the database by conserving data already loaded from the database. Database access is necessary only when retrieving data that is not currently available in the cache. The application may need to empty (invalidate) the cache from time to time if the database is updated or modified in some way, because it has no way of knowing whether the cache is up to date.

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Speed Up Your Hibernate Applications with Second-Level Caching

Newer Hibernate developers sometimes don't understand Hibernate caching and use it poorly as a result. However, when used correctly, it can be one of the most powerful ways to accelerate Hibernate applications.

An Introduction to Caching