Comparison of DataNucleus with HSQLDB server vs OpenJPA 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
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	6.6	failed	6.4	failed	6.5
Element Collection Test	failed	7.1	failed	5.5	failed	6.3
Inheritance Test	failed	4.1	failed	5.6	failed	4.9
Indexing Test	failed	6.3	failed	6.8	failed	6.5
Graph (Binary Tree) Test	failed	2.3	failed	2.5	failed	2.4
Multithreading Test	failed	7.2	failed	0.0000	failed	3.6
All Tests	failed	5.6	failed	4.5	failed	5.0

DataNucleus with HSQLDB server has failed in 12 tests (see exceptions).

Retrieval Size =>	Few Entities		Many Entities		Average Score
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	14.7	failed	28.9	failed	21.8
Element Collection Test	failed	1.0	failed	14.9	failed	8.0
Inheritance Test	failed	1.4	failed	18.0	failed	9.7
Indexing Test	failed	20.1	failed	31.4	failed	25.7
Graph (Binary Tree) Test	failed	0.35	failed	1.5	failed	0.92
Multithreading Test	failed	20.1	failed	26.3	failed	23.2
All Tests	failed	9.6	failed	20.2	failed	14.9

DataNucleus with HSQLDB server has failed in 12 tests (see exceptions).

Retrieval Size =>	Few Entities		Many Entities		Average Score
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	1.3	failed	8.6	failed	5.0
Element Collection Test	failed	0.41	failed	0.95	failed	0.68
Inheritance Test	failed	0.24	failed	1.1	failed	0.66
Indexing Test	failed	9.1	failed	17.7	failed	13.4
Multithreading Test	failed	5.2	failed	10.6	failed	7.9
All Tests	failed	3.2	failed	7.8	failed	5.5

DataNucleus with HSQLDB server has failed in 10 tests (see exceptions).

Transaction Size =>	Few Entities		Many Entities		Average Score
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	2.2	failed	5.1	failed	3.6
Element Collection Test	failed	2.6	failed	4.6	failed	3.6
Inheritance Test	failed	1.0	failed	5.3	failed	3.2
Indexing Test	failed	7.0	failed	7.5	failed	7.2
Graph (Binary Tree) Test	failed	1.3	failed	1.0	failed	1.2
Multithreading Test	failed	4.9	failed	5.5	failed	5.2
All Tests	failed	3.2	failed	4.8	failed	4.0

DataNucleus with HSQLDB server has failed in 12 tests (see exceptions).

Transaction Size =>	Few Entities		Many Entities		Average Score
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	8.6	failed	8.1	failed	8.4
Element Collection Test	failed	6.2	failed	1.3	failed	3.7
Inheritance Test	failed	7.3	failed	4.3	failed	5.8
Indexing Test	failed	15.2	failed	6.0	failed	10.6
Graph (Binary Tree) Test	failed	5.6	failed	8.3	failed	6.9
Multithreading Test	failed	5.5	failed	0.0000	failed	2.7
All Tests	failed	8.1	failed	4.7	failed	6.4

DataNucleus with HSQLDB server has failed in 12 tests (see exceptions).

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded	DataNucleus HSQLDB server	OpenJPA Derby embedded
Basic Person Test	failed	6.7	failed	11.4	failed	9.1
Element Collection Test	failed	3.5	failed	5.4	failed	4.5
Inheritance Test	failed	2.8	failed	6.9	failed	4.8
Indexing Test	failed	11.5	failed	13.9	failed	12.7
Graph (Binary Tree) Test	failed	2.4	failed	3.3	failed	2.9
Multithreading Test	failed	8.6	failed	8.5	failed	8.5
All Tests	failed	6.0	failed	8.4	failed	7.2