Context caching can have significant performance benefits if context - * initialization is complex. So, although initializing a Spring context itself - * is typically very quick, some beans in a context — for example, an - * in-memory database or a {@code LocalSessionFactoryBean} for working with - * Hibernate — may take several seconds to initialize. Hence it often - * makes sense to perform that initialization only once per test suite. + * initialization is complex. Although the initialization of a Spring context + * itself is typically very quick, some beans in a context — for example, + * an embedded database or a {@code LocalContainerEntityManagerFactoryBean} for + * working with JPA — may take several seconds to initialize. Hence it + * often makes sense to perform that initialization only once per test suite or + * JVM process. * * @author Sam Brannen * @author Juergen Hoeller