Comparison of Hibernate with PostgreSQL server vs ObjectDB 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
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	7.1	35.2	3.4	74.1	5.2	54.7
Element Collection Test	2.9	38.2	1.7	57.8	2.3	48.0
Inheritance Test	7.0	32.7	3.6	72.8	5.3	52.7
Indexing Test	9.3	49.9	6.1	90.1	7.7	70.0
Graph (Binary Tree) Test	3.0	100	2.9	89.2	2.9	94.6
Multithreading Test	31.7	76.6	13.9	99.4	22.8	88.0
All Tests	10.2	55.4	5.3	80.6	7.7	68.0

The results above show that in general ObjectDB server is much more efficient than Hibernate with PostgreSQL server in persisting JPA entity objects to the database. Comparing the normalized speed of Hibernate with PostgreSQL database server (7.7) to the normalized speed of ObjectDB database server (68.0) reveals that in these tests, ObjectDB server is 8.8 times faster than Hibernate with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of Hibernate with PostgreSQL database server (1.7) to the normalized speed of ObjectDB database server (57.8) reveals that in that case, ObjectDB server is 34.0 times faster than Hibernate with PostgreSQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	5.5	15.7	11.5	45.4	8.5	30.5
Element Collection Test	0.025	19.9	0.017	49.2	0.021	34.6
Inheritance Test	5.2	13.2	14.0	49.4	9.6	31.3
Indexing Test	4.6	14.0	13.3	59.5	8.9	36.8
Graph (Binary Tree) Test	0.61	19.9	0.78	24.7	0.70	22.3
Multithreading Test	11.3	19.7	17.0	60.2	14.2	40.0
All Tests	4.5	17.1	9.4	48.1	7.0	32.6

The results above show that in general ObjectDB server is much more efficient than Hibernate with PostgreSQL server in retrieving JPA entity objects from the database. Comparing the normalized speed of Hibernate with PostgreSQL database server (7.0) to the normalized speed of ObjectDB database server (32.6) reveals that in these tests, ObjectDB server is 4.7 times faster than Hibernate with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large retrieval size. Comparing the normalized speed of Hibernate with PostgreSQL database server (0.017) to the normalized speed of ObjectDB database server (49.2) reveals that in that case, ObjectDB server is 2,894 times faster than Hibernate with PostgreSQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	55.5	38.8	6.1	25.9	30.8	32.4
Element Collection Test	11.0	39.5	0.016	33.1	5.5	36.3
Inheritance Test	52.3	34.8	8.7	34.0	30.5	34.4
Indexing Test	0.050	14.5	8.8	53.3	4.4	33.9
Multithreading Test	55.2	50.8	9.2	52.1	32.2	51.5
All Tests	34.8	35.7	6.6	39.7	20.7	37.7

The results above show that in general ObjectDB server is more efficient than Hibernate with PostgreSQL server in executing the tested JPA queries.

A huge performance gap has been detected when using JPA element collections with large retrieval size. Comparing the normalized speed of Hibernate with PostgreSQL database server (0.016) to the normalized speed of ObjectDB database server (33.1) reveals that in that case, ObjectDB server is 2,069 times faster than Hibernate with PostgreSQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	5.3	18.3	2.7	40.9	4.0	29.6
Element Collection Test	0.067	21.1	0.026	53.7	0.046	37.4
Inheritance Test	5.4	19.9	3.8	51.9	4.6	35.9
Indexing Test	5.4	17.9	4.3	52.1	4.8	35.0
Graph (Binary Tree) Test	1.1	42.6	0.58	24.1	0.82	33.3
Multithreading Test	29.6	68.6	6.3	68.7	18.0	68.6
All Tests	7.8	31.4	2.9	48.6	5.4	40.0

The results above show that in general ObjectDB server is much more efficient than Hibernate with PostgreSQL server in updating JPA entity objects in the database. Comparing the normalized speed of Hibernate with PostgreSQL database server (5.4) to the normalized speed of ObjectDB database server (40.0) reveals that in these tests, ObjectDB server is 7.4 times faster than Hibernate with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of Hibernate with PostgreSQL database server (0.026) to the normalized speed of ObjectDB database server (53.7) reveals that in that case, ObjectDB server is 2,065 times faster than Hibernate with PostgreSQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	5.3	20.2	4.2	67.7	4.8	44.0
Element Collection Test	0.020	22.9	stopped	57.6	0.0098	40.2
Inheritance Test	5.1	23.1	4.2	61.6	4.6	42.3
Indexing Test	9.5	34.9	6.3	55.9	7.9	45.4
Graph (Binary Tree) Test	0.012	19.3	0.012	27.9	0.012	23.6
Multithreading Test	23.3	38.5	21.8	50.5	22.5	44.5
All Tests	7.2	26.5	6.1	53.5	6.6	40.0

The results above show that in general ObjectDB server is much more efficient than Hibernate with PostgreSQL server in deleting JPA entity objects from the database. Comparing the normalized speed of Hibernate with PostgreSQL database server (6.6) to the normalized speed of ObjectDB database server (40.0) reveals that in these tests, ObjectDB server is 6.1 times faster than Hibernate with PostgreSQL server.

A huge performance gap has been detected when using graphs of objects with large transaction size. Comparing the normalized speed of Hibernate with PostgreSQL database server (0.012) to the normalized speed of ObjectDB database server (27.9) reveals that in that case, ObjectDB server is 2,325 times faster than Hibernate with PostgreSQL server.

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server	Hibernate PostgreSQL server	ObjectDB server
Basic Person Test	15.7	25.6	5.6	50.8	10.7	38.2
Element Collection Test	2.8	28.3	0.35	50.3	1.6	39.3
Inheritance Test	15.0	24.7	6.9	53.9	10.9	39.3
Indexing Test	5.8	26.2	7.8	62.2	6.8	44.2
Graph (Binary Tree) Test	1.2	45.4	1.1	41.5	1.1	43.5
Multithreading Test	30.2	50.8	13.6	66.2	21.9	58.5
All Tests	12.1	33.1	6.0	54.6	9.1	43.9

The results above show that in general ObjectDB server is much more efficient than Hibernate with PostgreSQL server in performing JPA database operations. Comparing the normalized speed of Hibernate with PostgreSQL database server (9.1) to the normalized speed of ObjectDB database server (43.9) reveals that in these tests, ObjectDB server is 4.8 times faster than Hibernate with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large transaction/retrieval size. Comparing the normalized speed of Hibernate with PostgreSQL database server (0.35) to the normalized speed of ObjectDB database server (50.3) reveals that in that case, ObjectDB server is 144 times faster than Hibernate with PostgreSQL server.

JPA Performance Benchmark (JPAB)