Comparison of Hibernate with Derby embedded 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 embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	5.9	100	3.8	100	4.9	100
Element Collection Test	2.9	100	1.8	100	2.3	100
Inheritance Test	5.3	100	3.7	100	4.5	100
Indexing Test	7.0	100	4.8	100	5.9	100
Graph (Binary Tree) Test	1.9	88.4	1.7	100	1.8	94.2
Multithreading Test	10.5	100	3.7	100	7.1	100
All Tests	5.6	98.1	3.3	100	4.4	99.0

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in persisting JPA entity objects to the database. Comparing the normalized speed of Hibernate with Derby embedded database (4.4) to the normalized speed of ObjectDB embedded database (99.0) reveals that in these tests, ObjectDB embedded is 22.5 times faster than Hibernate with Derby embedded.

A huge performance gap has been detected when using graphs of objects with large transaction size. Comparing the normalized speed of Hibernate with Derby embedded database (1.7) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 58.8 times faster than Hibernate with Derby embedded.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	14.2	100	16.4	100	15.3	100
Element Collection Test	4.4	100	4.9	100	4.6	100
Inheritance Test	10.3	100	18.6	100	14.4	100
Indexing Test	10.0	100	16.4	100	13.2	100
Graph (Binary Tree) Test	2.6	100	3.0	100	2.8	100
Multithreading Test	19.3	100	19.3	100	19.3	100
All Tests	10.1	100	13.1	100	11.6	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in retrieving JPA entity objects from the database. Comparing the normalized speed of Hibernate with Derby embedded database (11.6) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 8.6 times faster than Hibernate with Derby embedded.

A huge performance gap has been detected when using graphs of objects with small retrieval size. Comparing the normalized speed of Hibernate with Derby embedded database (2.6) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 38.5 times faster than Hibernate with Derby embedded.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	49.3	100	6.8	100	28.1	100
Element Collection Test	37.6	100	2.7	100	20.1	100
Inheritance Test	24.1	100	7.6	100	15.9	100
Indexing Test	5.3	100	14.8	100	10.1	100
Multithreading Test	39.7	100	6.1	100	22.9	100
All Tests	31.2	100	7.6	100	19.4	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in executing the tested JPA queries. Comparing the normalized speed of Hibernate with Derby embedded database (19.4) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 5.2 times faster than Hibernate with Derby embedded.

A huge performance gap has been detected when using JPA element collections with large retrieval size. Comparing the normalized speed of Hibernate with Derby embedded database (2.7) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 37.0 times faster than Hibernate with Derby embedded.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	4.5	100	3.2	100	3.8	100
Element Collection Test	3.9	100	3.1	100	3.5	100
Inheritance Test	4.6	100	4.5	100	4.5	100
Indexing Test	4.6	100	5.5	100	5.1	100
Graph (Binary Tree) Test	2.7	100	1.2	100	2.0	100
Multithreading Test	11.6	100	2.6	100	7.1	100
All Tests	5.3	100	3.3	100	4.3	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in updating JPA entity objects in the database. Comparing the normalized speed of Hibernate with Derby embedded database (4.3) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 23.3 times faster than Hibernate with Derby embedded.

A huge performance gap has been detected when using graphs of objects with large transaction size. Comparing the normalized speed of Hibernate with Derby embedded database (1.2) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 83.3 times faster than Hibernate with Derby embedded.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	3.8	100	4.2	100	4.0	100
Element Collection Test	2.3	100	1.5	100	1.9	100
Inheritance Test	4.0	100	4.3	100	4.2	100
Indexing Test	5.5	100	3.6	100	4.6	100
Graph (Binary Tree) Test	0.74	100	0.96	100	0.85	100
Multithreading Test	5.6	100	4.9	100	5.3	100
All Tests	3.7	100	3.3	100	3.5	100

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in deleting JPA entity objects from the database. Comparing the normalized speed of Hibernate with Derby embedded database (3.5) to the normalized speed of ObjectDB embedded database (100) reveals that in these tests, ObjectDB embedded is 28.6 times faster than Hibernate with Derby embedded.

A huge performance gap has been detected when using graphs of objects with small transaction size. Comparing the normalized speed of Hibernate with Derby embedded database (0.74) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 135 times faster than Hibernate with Derby embedded.

Comparison of database storage efficiency (normalized score, higher is better)

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	52.7	100	52.7	100	52.7	100
Element Collection Test	42.3	100	42.3	100	42.3	100
Inheritance Test	49.2	100	49.2	100	49.2	100
Indexing Test	53.0	100	53.9	100	53.4	100
Graph (Binary Tree) Test	13.1	100	9.8	100	11.5	100
Multithreading Test	49.3	91.1	8.8	22.0	29.0	56.6
All Tests	43.3	98.5	36.1	87.0	39.7	92.8

The results above show that in general ObjectDB embedded is more efficient than Hibernate with Derby embedded in using disk space. Comparing the normalized score of Hibernate with Derby embedded database (39.7) to the normalized score of ObjectDB embedded database (92.8) reveals that in these tests, ObjectDB embedded is 2.3 times more efficient than Hibernate with Derby embedded.

A huge gap has been detected when using graphs of objects with large transaction size. Comparing the normalized score of Hibernate with Derby embedded database (9.8) to the normalized score of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 10.2 times more efficient than Hibernate with Derby embedded.

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded	Hibernate Derby embedded	ObjectDB embedded
Basic Person Test	15.5	100	6.9	100	11.2	100
Element Collection Test	10.2	100	2.8	100	6.5	100
Inheritance Test	9.7	100	7.7	100	8.7	100
Indexing Test	6.5	100	9.0	100	7.8	100
Graph (Binary Tree) Test	2.0	97.1	1.7	100	1.8	98.5
Multithreading Test	17.3	100	7.3	100	12.3	100
All Tests	10.5	99.6	6.1	100	8.3	99.8

The results above show that in general ObjectDB embedded is much more efficient than Hibernate with Derby embedded in performing JPA database operations. Comparing the normalized speed of Hibernate with Derby embedded database (8.3) to the normalized speed of ObjectDB embedded database (99.8) reveals that in these tests, ObjectDB embedded is 12.0 times faster than Hibernate with Derby embedded.

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 embedded database (1.7) to the normalized speed of ObjectDB embedded database (100) reveals that in that case, ObjectDB embedded is 58.8 times faster than Hibernate with Derby embedded.

JPA Performance Benchmark (JPAB)