Comparison of OpenJPA with H2 server vs DataNucleus with HSQLDB 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
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	8.1	failed	6.6	failed	7.3	failed
Element Collection Test	6.4	failed	6.9	failed	6.7	failed
Inheritance Test	4.4	failed	7.4	failed	5.9	failed
Indexing Test	7.2	failed	9.4	failed	8.3	failed
Graph (Binary Tree) Test	2.5	failed	2.1	failed	2.3	failed
Multithreading Test	7.8	failed	0.0000	failed	3.9	failed
All Tests	6.1	failed	5.4	failed	5.7	failed

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	1.7	failed	6.1	failed	3.9	failed
Element Collection Test	0.32	failed	6.9	failed	3.6	failed
Inheritance Test	0.82	failed	4.8	failed	2.8	failed
Indexing Test	1.1	failed	9.7	failed	5.4	failed
Graph (Binary Tree) Test	0.11	failed	0.15	failed	0.13	failed
Multithreading Test	2.2	failed	9.6	failed	5.9	failed
All Tests	1.1	failed	6.2	failed	3.6	failed

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	0.54	failed	2.2	failed	1.4	failed
Element Collection Test	0.53	failed	2.0	failed	1.3	failed
Inheritance Test	0.42	failed	2.1	failed	1.2	failed
Indexing Test	0.78	failed	2.6	failed	1.7	failed
Multithreading Test	2.9	failed	4.3	failed	3.6	failed
All Tests	1.0	failed	2.6	failed	1.8	failed

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	1.1	failed	2.1	failed	1.6	failed
Element Collection Test	1.2	failed	3.6	failed	2.4	failed
Inheritance Test	1.2	failed	2.5	failed	1.8	failed
Indexing Test	3.3	failed	2.9	failed	3.1	failed
Graph (Binary Tree) Test	0.61	failed	0.34	failed	0.48	failed
Multithreading Test	2.7	failed	0.76	failed	1.8	failed
All Tests	1.7	failed	2.0	failed	1.9	failed

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	6.9	failed	11.6	failed	9.3	failed
Element Collection Test	3.5	failed	2.2	failed	2.9	failed
Inheritance Test	8.0	failed	5.4	failed	6.7	failed
Indexing Test	12.2	failed	5.8	failed	9.0	failed
Graph (Binary Tree) Test	7.4	failed	10.0	failed	8.7	failed
Multithreading Test	8.3	failed	0.0000	failed	4.1	failed
All Tests	7.7	failed	5.8	failed	6.8	failed

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server	OpenJPA H2 server	DataNucleus HSQLDB server
Basic Person Test	3.7	failed	5.7	failed	4.7	failed
Element Collection Test	2.4	failed	4.3	failed	3.4	failed
Inheritance Test	3.0	failed	4.4	failed	3.7	failed
Indexing Test	4.9	failed	6.1	failed	5.5	failed
Graph (Binary Tree) Test	2.7	failed	3.2	failed	2.9	failed
Multithreading Test	4.8	failed	2.9	failed	3.9	failed
All Tests	3.6	failed	4.5	failed	4.0	failed