Michiel Gevers updated an issue

Hibernate ORM / HHH-11976 Overall Performance improvement for systems with many classes Change By: Michiel Gevers During performance tests under heavy load we saw that the method _org.hibernate.internal.SessionFactoryImpl.getImplementors_ takes a significant amount of performance. Our implementation has more than 2200 persistent classes using a lot of inheritance.  The attached patch build a cache of class to implementors which can be done because the model does not change in the SessionFactory. For us this patch gave a significant performance improvement of about 30% . Add Comment

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