Comparison of Hibernate with Derby server vs ObjectDB 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 Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	3.8	100	3.0	100	3.4	100
Element Collection Test	2.0	100	1.3	100	1.7	100
Inheritance Test	3.4	100	3.0	100	3.2	100
Indexing Test	4.8	100	4.1	100	4.4	100
Graph (Binary Tree) Test	1.8	88.4	1.6	100	1.7	94.2
Multithreading Test	6.9	100	3.9	100	5.4	100
All Tests	3.8	98.1	2.8	100	3.3	99.0

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in persisting JPA entity objects to the database. Comparing the normalized speed of Hibernate with Derby database server (3.3) to the normalized speed of ObjectDB embedded database (99.0) reveals that in these tests, ObjectDB embedded is 30.0 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of Hibernate with Derby database server (1.3) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 76.9 times faster than Hibernate with Derby server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	3.8	100	8.4	100	6.1	100
Element Collection Test	1.0	100	1.0	100	1.0	100
Inheritance Test	3.5	100	9.7	100	6.6	100
Indexing Test	3.2	100	9.5	100	6.4	100
Graph (Binary Tree) Test	0.91	100	1.2	100	1.1	100
Multithreading Test	7.8	100	13.4	100	10.6	100
All Tests	3.4	100	7.2	100	5.3	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in retrieving JPA entity objects from the database. Comparing the normalized speed of Hibernate with Derby database server (5.3) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 18.9 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using graphs of objects with small retrieval size. Comparing the normalized speed of Hibernate with Derby database server (0.91) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 110 times faster than Hibernate with Derby server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	34.0	100	4.1	100	19.1	100
Element Collection Test	33.8	100	0.64	100	17.2	100
Inheritance Test	20.5	100	5.0	100	12.8	100
Indexing Test	2.0	100	9.2	100	5.6	100
Multithreading Test	36.2	100	5.1	100	20.6	100
All Tests	25.3	100	4.8	100	15.1	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in executing the tested JPA queries. Comparing the normalized speed of Hibernate with Derby database server (15.1) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 6.6 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using JPA element collections with large retrieval size. Comparing the normalized speed of Hibernate with Derby database server (0.64) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 156 times faster than Hibernate with Derby server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	2.9	100	2.5	100	2.7	100
Element Collection Test	2.3	100	1.5	100	1.9	100
Inheritance Test	2.9	100	3.5	100	3.2	100
Indexing Test	3.0	100	4.2	100	3.6	100
Graph (Binary Tree) Test	1.2	100	0.58	100	0.91	100
Multithreading Test	6.8	100	2.5	100	4.6	100
All Tests	3.2	100	2.5	100	2.8	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in updating JPA entity objects in the database. Comparing the normalized speed of Hibernate with Derby database server (2.8) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 35.7 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using graphs of objects with large transaction size. Comparing the normalized speed of Hibernate with Derby database server (0.58) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 172 times faster than Hibernate with Derby server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	2.9	100	3.5	100	3.2	100
Element Collection Test	1.7	100	0.87	100	1.3	100
Inheritance Test	2.9	100	3.6	100	3.2	100
Indexing Test	3.7	100	3.6	100	3.7	100
Graph (Binary Tree) Test	0.69	100	0.70	100	0.70	100
Multithreading Test	6.2	100	5.1	100	5.6	100
All Tests	3.0	100	2.9	100	3.0	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in deleting JPA entity objects from the database. Comparing the normalized speed of Hibernate with Derby database server (3.0) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 33.3 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using graphs of objects with small transaction size. Comparing the normalized speed of Hibernate with Derby database server (0.69) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 145 times faster than Hibernate with Derby server.

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded	Hibernate Derby server	ObjectDB embedded
Basic Person Test	9.5	100	4.3	100	6.9	100
Element Collection Test	8.2	100	1.1	100	4.6	100
Inheritance Test	6.6	100	5.0	100	5.8	100
Indexing Test	3.3	100	6.1	100	4.7	100
Graph (Binary Tree) Test	1.2	97.1	1.0	100	1.1	98.5
Multithreading Test	12.8	100	6.0	100	9.4	100
All Tests	7.1	99.6	4.0	100	5.6	99.8

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby server in performing JPA database operations. Comparing the normalized speed of Hibernate with Derby database server (5.6) to the normalized speed of ObjectDB embedded database (99.8) reveals that in these tests, ObjectDB embedded is 17.8 times faster than Hibernate with Derby server.

A huge performance gap has been detected when using graphs of objects with large transaction/retrieval size. Comparing the normalized speed of Hibernate with Derby database server (1.0) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 100 times faster than Hibernate with Derby server.

JPA Performance Benchmark (JPAB)