Comparison of Hibernate with HSQLDB server vs EclipseLink with Derby embedded

Each of the following tables focuses on a specific database operation, where the last table presents average results comparison.

Speed comparison of JPA database persistence operations (normalized score, higher is better)

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	11.5	stopped	9.1	stopped	10.3
Element Collection Test	stopped	7.3	stopped	5.5	stopped	6.4
Inheritance Test	stopped	6.6	stopped	7.5	stopped	7.0
Indexing Test	stopped	10.9	stopped	12.7	stopped	11.8
Graph (Binary Tree) Test	stopped	3.6	stopped	2.9	stopped	3.3
Multithreading Test	stopped	10.4	stopped	0.0000	stopped	5.2
All Tests	stopped	8.4	stopped	6.3	stopped	7.3

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in persisting JPA entity objects to the database. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (7.3) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

Speed comparison of JPA database retrieval operations (normalized score, higher is better)

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	12.3	stopped	29.3	stopped	20.8
Element Collection Test	stopped	7.5	stopped	11.7	stopped	9.6
Inheritance Test	stopped	6.2	stopped	29.0	stopped	17.6
Indexing Test	stopped	5.4	stopped	31.9	stopped	18.7
Graph (Binary Tree) Test	stopped	0.93	stopped	3.3	stopped	2.1
Multithreading Test	stopped	15.2	stopped	32.4	stopped	23.8
All Tests	stopped	7.9	stopped	22.9	stopped	15.4

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in retrieving JPA entity objects from the database. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (15.4) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

Speed comparison of JPA database query operations (normalized score, higher is better)

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	1.4	stopped	5.9	stopped	3.6
Element Collection Test	stopped	2.9	stopped	6.0	stopped	4.5
Inheritance Test	stopped	0.97	stopped	7.1	stopped	4.0
Indexing Test	stopped	13.8	stopped	18.5	stopped	16.1
Multithreading Test	stopped	4.6	stopped	10.4	stopped	7.5
All Tests	stopped	4.7	stopped	9.6	stopped	7.2

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in executing the tested JPA queries. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (7.2) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

Speed comparison of JPA database update operations (normalized score, higher is better)

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	3.3	stopped	6.2	stopped	4.8
Element Collection Test	stopped	10.0	stopped	5.5	stopped	7.7
Inheritance Test	stopped	3.9	stopped	7.6	stopped	5.8
Indexing Test	stopped	10.3	stopped	8.3	stopped	9.3
Graph (Binary Tree) Test	stopped	1.7	stopped	1.7	stopped	1.7
Multithreading Test	stopped	5.2	stopped	5.5	stopped	5.3
All Tests	stopped	5.8	stopped	5.8	stopped	5.8

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in updating JPA entity objects in the database. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (5.8) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

Speed comparison of JPA database removal operations (normalized score, higher is better)

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	12.9	stopped	12.2	stopped	12.5
Element Collection Test	stopped	12.6	stopped	1.1	stopped	6.8
Inheritance Test	stopped	14.1	stopped	7.6	stopped	10.9
Indexing Test	stopped	20.6	stopped	4.4	stopped	12.5
Graph (Binary Tree) Test	stopped	5.0	stopped	7.4	stopped	6.2
Multithreading Test	stopped	4.8	stopped	0.0000	stopped	2.4
All Tests	stopped	11.6	stopped	5.5	stopped	8.6

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in deleting JPA entity objects from the database. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (8.6) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

Comparison of JPA/Database speed - the averages (normalized score, higher is better)

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded	Hibernate HSQLDB server	EclipseLink Derby embedded
Basic Person Test	stopped	8.3	stopped	12.5	stopped	10.4
Element Collection Test	stopped	8.1	stopped	6.0	stopped	7.0
Inheritance Test	stopped	6.4	stopped	11.7	stopped	9.0
Indexing Test	stopped	12.2	stopped	15.2	stopped	13.7
Graph (Binary Tree) Test	stopped	2.8	stopped	3.8	stopped	3.3
Multithreading Test	stopped	8.0	stopped	9.7	stopped	8.8
All Tests	stopped	7.8	stopped	10.0	stopped	8.9

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with HSQLDB server in performing JPA database operations. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (8.9) reveals that in these tests, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

A huge performance gap has been detected when using simple basic entities with small transaction/retrieval size. Comparing the normalized speed of Hibernate with HSQLDB database server (0.0000) to the normalized speed of EclipseLink with Derby embedded database (8.3) reveals that in that case, EclipseLink with Derby embedded is ? times faster than Hibernate with HSQLDB server.

JPA Performance Benchmark (JPAB)