Comparison of EclipseLink with HSQLDB server vs OpenJPA with H2 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
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	12.2	9.7	20.9	7.7	16.6	8.7
Element Collection Test	11.6	10.3	failed	7.4	11.6	8.9
Inheritance Test	failed	5.2	failed	6.6	failed	5.9
Indexing Test	failed	9.2	failed	8.7	failed	9.0
Graph (Binary Tree) Test	failed	3.4	failed	2.7	failed	3.0
Multithreading Test	failed	7.5	failed	0.0000	failed	3.7
All Tests	11.9	7.5	20.9	5.5	14.9	6.5

EclipseLink with HSQLDB server has failed in 9 tests (see exceptions).

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	2.6	11.4	14.6	46.6	8.6	29.0
Element Collection Test	1.4	1.4	failed	33.1	1.4	17.3
Inheritance Test	failed	5.6	failed	37.6	failed	21.6
Indexing Test	failed	5.8	failed	39.3	failed	22.5
Graph (Binary Tree) Test	failed	0.86	failed	0.90	failed	0.88
Multithreading Test	failed	14.0	failed	38.9	failed	26.4
All Tests	2.0	6.5	14.6	32.7	6.2	19.6

EclipseLink with HSQLDB server has failed in 9 tests (see exceptions).

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	0.53	5.7	3.0	24.0	1.8	14.9
Element Collection Test	0.98	3.6	failed	7.1	0.98	5.4
Inheritance Test	failed	1.1	failed	9.3	failed	5.2
Indexing Test	failed	14.3	failed	24.2	failed	19.3
Multithreading Test	failed	3.1	failed	7.2	failed	5.1
All Tests	0.75	5.6	3.0	14.4	1.5	10.0

EclipseLink with HSQLDB server has failed in 7 tests (see exceptions).

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	1.9	14.2	7.5	11.2	4.7	12.7
Element Collection Test	3.1	6.5	failed	15.2	3.1	10.9
Inheritance Test	failed	4.0	failed	14.9	failed	9.5
Indexing Test	failed	43.0	failed	16.2	failed	29.6
Graph (Binary Tree) Test	failed	3.3	failed	2.2	failed	2.7
Multithreading Test	failed	8.2	failed	6.3	failed	7.2
All Tests	2.5	13.2	7.5	11.0	4.2	12.1

EclipseLink with HSQLDB server has failed in 9 tests (see exceptions).

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	9.5	55.8	33.1	26.5	21.3	41.1
Element Collection Test	6.7	26.3	failed	3.0	6.7	14.6
Inheritance Test	failed	26.7	failed	23.0	failed	24.8
Indexing Test	failed	100	failed	13.7	failed	56.8
Graph (Binary Tree) Test	failed	12.5	failed	40.6	failed	26.5
Multithreading Test	failed	20.9	failed	0.0000	failed	10.4
All Tests	8.1	40.4	33.1	17.8	16.4	29.1

EclipseLink with HSQLDB server has failed in 9 tests (see exceptions).

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded	EclipseLink HSQLDB server	OpenJPA H2 embedded
Basic Person Test	5.4	19.4	15.8	23.2	10.6	21.3
Element Collection Test	4.8	9.6	failed	13.2	4.8	11.4
Inheritance Test	failed	8.5	failed	18.3	failed	13.4
Indexing Test	failed	34.5	failed	20.4	failed	27.4
Graph (Binary Tree) Test	failed	5.0	failed	11.6	failed	8.3
Multithreading Test	failed	10.7	failed	10.5	failed	10.6
All Tests	5.1	14.9	15.8	16.4	8.6	15.6

The results above show that in general OpenJPA with H2 embedded is more efficient than EclipseLink with HSQLDB server in performing JPA database operations.

A large performance gap has been detected when using simple basic entities with small transaction/retrieval size. Comparing the normalized speed of EclipseLink with HSQLDB database server (5.4) to the normalized speed of OpenJPA with H2 embedded database (19.4) reveals that in that case, OpenJPA with H2 embedded is 3.6 times faster than EclipseLink with HSQLDB server.

JPA Performance Benchmark (JPAB)

Comparison of EclipseLink with HSQLDB server vs OpenJPA with H2 embedded

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

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

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

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

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

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

Other Head to Head DBMS/JPA Comparisons

EclipseLink with HSQLDB server against:

OpenJPA with H2 embedded against: