Comparison of EclipseLink with Derby embedded vs Hibernate with MySQL server

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
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	5.5	3.6	3.7	1.6	4.6	2.6
Element Collection Test	3.0	1.6	1.7	0.72	2.4	1.1
Inheritance Test	5.3	3.7	3.5	1.6	4.4	2.7
Indexing Test	6.9	5.4	4.6	2.6	5.8	4.0
Graph (Binary Tree) Test	2.0	1.5	1.9	1.2	1.9	1.4
Multithreading Test	9.3	7.4	4.1	2.9	6.7	5.2
All Tests	5.3	3.9	3.2	1.8	4.3	2.8

The results above show that in general EclipseLink with Derby embedded is more efficient than Hibernate with MySQL server in persisting JPA entity objects to the database.

A large performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of Hibernate with MySQL database server (0.72) to the normalized speed of EclipseLink with Derby embedded database (1.7) reveals that in that case, EclipseLink with Derby embedded is 2.4 times faster than Hibernate with MySQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	16.4	3.0	58.7	11.0	37.5	7.0
Element Collection Test	7.5	0.34	13.3	1.2	10.4	0.79
Inheritance Test	17.1	1.3	58.9	14.5	38.0	7.9
Indexing Test	14.2	2.5	67.4	12.8	40.8	7.6
Graph (Binary Tree) Test	2.8	0.55	5.7	0.71	4.2	0.63
Multithreading Test	28.0	0.23	48.7	13.8	38.4	7.0
All Tests	14.3	1.3	42.1	9.0	28.2	5.2

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with MySQL server in retrieving JPA entity objects from the database. Comparing the normalized speed of Hibernate with MySQL database server (5.2) to the normalized speed of EclipseLink with Derby embedded database (28.2) reveals that in these tests, EclipseLink with Derby embedded is 5.4 times faster than Hibernate with MySQL server.

A huge performance gap has been detected when using multithreading with small retrieval size. Comparing the normalized speed of Hibernate with MySQL database server (0.23) to the normalized speed of EclipseLink with Derby embedded database (28.0) reveals that in that case, EclipseLink with Derby embedded is 122 times faster than Hibernate with MySQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	53.4	10.0	13.8	2.0	33.6	6.0
Element Collection Test	37.9	6.7	4.4	0.53	21.2	3.6
Inheritance Test	37.4	2.8	15.0	1.6	26.2	2.2
Indexing Test	7.6	0.44	49.3	2.0	28.4	1.2
Multithreading Test	41.2	2.1	6.1	0.98	23.6	1.5
All Tests	35.5	4.4	17.7	1.4	26.6	2.9

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with MySQL server in executing the tested JPA queries. Comparing the normalized speed of Hibernate with MySQL database server (2.9) to the normalized speed of EclipseLink with Derby embedded database (26.6) reveals that in these tests, EclipseLink with Derby embedded is 9.2 times faster than Hibernate with MySQL server.

A huge performance gap has been detected when using database indexes with large retrieval size. Comparing the normalized speed of Hibernate with MySQL database server (2.0) to the normalized speed of EclipseLink with Derby embedded database (49.3) reveals that in that case, EclipseLink with Derby embedded is 24.6 times faster than Hibernate with MySQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	6.4	0.73	6.7	1.6	6.5	1.2
Element Collection Test	5.4	0.39	6.2	1.2	5.8	0.78
Inheritance Test	6.5	0.61	9.2	2.1	7.8	1.4
Indexing Test	7.3	0.81	11.1	2.6	9.2	1.7
Graph (Binary Tree) Test	2.8	0.69	1.7	0.40	2.2	0.54
Multithreading Test	21.3	0.63	5.0	3.0	13.1	1.8
All Tests	8.3	0.64	6.6	1.8	7.5	1.2

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with MySQL server in updating JPA entity objects in the database. Comparing the normalized speed of Hibernate with MySQL database server (1.2) to the normalized speed of EclipseLink with Derby embedded database (7.5) reveals that in these tests, EclipseLink with Derby embedded is 6.2 times faster than Hibernate with MySQL server.

A huge performance gap has been detected when using multithreading with small transaction size. Comparing the normalized speed of Hibernate with MySQL database server (0.63) to the normalized speed of EclipseLink with Derby embedded database (21.3) reveals that in that case, EclipseLink with Derby embedded is 33.8 times faster than Hibernate with MySQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	4.6	1.1	4.7	1.7	4.6	1.4
Element Collection Test	2.5	0.21	1.4	0.53	1.9	0.37
Inheritance Test	3.9	0.65	4.5	1.8	4.2	1.2
Indexing Test	6.2	0.81	3.8	2.0	5.0	1.4
Graph (Binary Tree) Test	1.1	0.55	1.0	0.62	1.1	0.58
Multithreading Test	6.2	0.35	5.8	4.1	6.0	2.2
All Tests	4.1	0.61	3.5	1.8	3.8	1.2

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with MySQL server in deleting JPA entity objects from the database. Comparing the normalized speed of Hibernate with MySQL database server (1.2) to the normalized speed of EclipseLink with Derby embedded database (3.8) reveals that in these tests, EclipseLink with Derby embedded is 3.2 times faster than Hibernate with MySQL server.

A huge performance gap has been detected when using multithreading with small transaction size. Comparing the normalized speed of Hibernate with MySQL database server (0.35) to the normalized speed of EclipseLink with Derby embedded database (6.2) reveals that in that case, EclipseLink with Derby embedded is 17.7 times faster than Hibernate with MySQL server.

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server	EclipseLink Derby embedded	Hibernate MySQL server
Basic Person Test	17.3	3.7	17.5	3.6	17.4	3.6
Element Collection Test	11.3	1.8	5.4	0.84	8.3	1.3
Inheritance Test	14.0	1.8	18.2	4.3	16.1	3.1
Indexing Test	8.4	2.0	27.2	4.4	17.8	3.2
Graph (Binary Tree) Test	2.2	0.83	2.6	0.73	2.4	0.78
Multithreading Test	21.2	2.1	13.9	5.0	17.6	3.6
All Tests	12.7	2.1	14.5	3.2	13.6	2.7

The results above show that in general EclipseLink with Derby embedded is much more efficient than Hibernate with MySQL server in performing JPA database operations. Comparing the normalized speed of Hibernate with MySQL database server (2.7) to the normalized speed of EclipseLink with Derby embedded database (13.6) reveals that in these tests, EclipseLink with Derby embedded is 5.0 times faster than Hibernate with MySQL server.

A huge performance gap has been detected when using multithreading with small transaction/retrieval size. Comparing the normalized speed of Hibernate with MySQL database server (2.1) to the normalized speed of EclipseLink with Derby embedded database (21.2) reveals that in that case, EclipseLink with Derby embedded is 10.1 times faster than Hibernate with MySQL server.

JPA Performance Benchmark (JPAB)