Comparison of EclipseLink 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
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	7.3	35.2	4.2	74.1	5.8	54.7
Element Collection Test	3.1	38.2	1.9	57.8	2.5	48.0
Inheritance Test	6.9	32.7	5.0	72.8	5.9	52.7
Indexing Test	10.0	49.9	6.8	90.1	8.4	70.0
Graph (Binary Tree) Test	3.5	100	3.3	89.2	3.4	94.6
Multithreading Test	31.8	76.6	14.5	99.4	23.1	88.0
All Tests	10.4	55.4	6.0	80.6	8.2	68.0

The results above show that in general ObjectDB server is much more efficient than EclipseLink with PostgreSQL server in persisting JPA entity objects to the database. Comparing the normalized speed of EclipseLink with PostgreSQL database server (8.2) to the normalized speed of ObjectDB database server (68.0) reveals that in these tests, ObjectDB server is 8.3 times faster than EclipseLink with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of EclipseLink with PostgreSQL database server (1.9) to the normalized speed of ObjectDB database server (57.8) reveals that in that case, ObjectDB server is 30.4 times faster than EclipseLink with PostgreSQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	6.8	15.7	17.2	45.4	12.0	30.5
Element Collection Test	0.026	19.9	0.020	49.2	0.023	34.6
Inheritance Test	6.0	13.2	19.7	49.4	12.9	31.3
Indexing Test	5.6	14.0	19.5	59.5	12.6	36.8
Graph (Binary Tree) Test	0.47	19.9	0.61	24.7	0.54	22.3
Multithreading Test	13.5	19.7	27.8	60.2	20.6	40.0
All Tests	5.4	17.1	14.1	48.1	9.8	32.6

The results above show that in general ObjectDB server is much more efficient than EclipseLink with PostgreSQL server in retrieving JPA entity objects from the database. Comparing the normalized speed of EclipseLink with PostgreSQL database server (9.8) to the normalized speed of ObjectDB database server (32.6) reveals that in these tests, ObjectDB server is 3.3 times faster than EclipseLink with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large retrieval size. Comparing the normalized speed of EclipseLink with PostgreSQL database server (0.020) to the normalized speed of ObjectDB database server (49.2) reveals that in that case, ObjectDB server is 2,460 times faster than EclipseLink with PostgreSQL server.

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

Retrieval Size =>	Few Entities		Many Entities		Average Score
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	55.5	38.8	7.8	25.9	31.6	32.4
Element Collection Test	15.4	39.5	0.028	33.1	7.7	36.3
Inheritance Test	54.9	34.8	11.5	34.0	33.2	34.4
Indexing Test	0.077	14.5	10.0	53.3	5.1	33.9
Multithreading Test	55.3	50.8	12.0	52.1	33.7	51.5
All Tests	36.2	35.7	8.3	39.7	22.3	37.7

The results above show that in general ObjectDB server is more efficient than EclipseLink 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 EclipseLink with PostgreSQL database server (0.028) to the normalized speed of ObjectDB database server (33.1) reveals that in that case, ObjectDB server is 1,182 times faster than EclipseLink with PostgreSQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	6.2	18.3	4.1	40.9	5.1	29.6
Element Collection Test	0.080	21.1	0.028	53.7	0.054	37.4
Inheritance Test	6.4	19.9	6.1	51.9	6.2	35.9
Indexing Test	6.5	17.9	7.0	52.1	6.8	35.0
Graph (Binary Tree) Test	0.90	42.6	0.50	24.1	0.70	33.3
Multithreading Test	36.0	68.6	9.1	68.7	22.5	68.6
All Tests	9.3	31.4	4.5	48.6	6.9	40.0

The results above show that in general ObjectDB server is much more efficient than EclipseLink with PostgreSQL server in updating JPA entity objects in the database. Comparing the normalized speed of EclipseLink with PostgreSQL database server (6.9) to the normalized speed of ObjectDB database server (40.0) reveals that in these tests, ObjectDB server is 5.8 times faster than EclipseLink with PostgreSQL server.

A huge performance gap has been detected when using JPA element collections with large transaction size. Comparing the normalized speed of EclipseLink with PostgreSQL database server (0.028) to the normalized speed of ObjectDB database server (53.7) reveals that in that case, ObjectDB server is 1,918 times faster than EclipseLink with PostgreSQL server.

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

Transaction Size =>	Few Entities		Many Entities		Average Score
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	5.7	20.2	5.7	67.7	5.7	44.0
Element Collection Test	0.025	22.9	stopped	57.6	0.012	40.2
Inheritance Test	5.5	23.1	5.4	61.6	5.4	42.3
Indexing Test	10.4	34.9	10.0	55.9	10.2	45.4
Graph (Binary Tree) Test	0.016	19.3	0.013	27.9	0.015	23.6
Multithreading Test	26.3	38.5	16.8	50.5	21.6	44.5
All Tests	8.0	26.5	6.3	53.5	7.2	40.0

The results above show that in general ObjectDB server is much more efficient than EclipseLink with PostgreSQL server in deleting JPA entity objects from the database. Comparing the normalized speed of EclipseLink with PostgreSQL database server (7.2) to the normalized speed of ObjectDB database server (40.0) reveals that in these tests, ObjectDB server is 5.6 times faster than EclipseLink with PostgreSQL server.

A huge performance gap has been detected when using graphs of objects with large transaction size. Comparing the normalized speed of EclipseLink with PostgreSQL database server (0.013) to the normalized speed of ObjectDB database server (27.9) reveals that in that case, ObjectDB server is 2,146 times faster than EclipseLink with PostgreSQL server.

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

Transaction/Retrieval Size	Few Entities		Many Entities		Average Score
	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server	EclipseLink PostgreSQL server	ObjectDB server
Basic Person Test	16.3	25.6	7.8	50.8	12.1	38.2
Element Collection Test	3.7	28.3	0.40	50.3	2.1	39.3
Inheritance Test	15.9	24.7	9.5	53.9	12.7	39.3
Indexing Test	6.5	26.2	10.7	62.2	8.6	44.2
Graph (Binary Tree) Test	1.2	45.4	1.1	41.5	1.2	43.5
Multithreading Test	32.6	50.8	16.0	66.2	24.3	58.5
All Tests	13.1	33.1	7.8	54.6	10.5	43.9

The results above show that in general ObjectDB server is much more efficient than EclipseLink with PostgreSQL server in performing JPA database operations. Comparing the normalized speed of EclipseLink with PostgreSQL database server (10.5) to the normalized speed of ObjectDB database server (43.9) reveals that in these tests, ObjectDB server is 4.2 times faster than EclipseLink 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 EclipseLink with PostgreSQL database server (0.40) to the normalized speed of ObjectDB database server (50.3) reveals that in that case, ObjectDB server is 126 times faster than EclipseLink with PostgreSQL server.

JPA Performance Benchmark (JPAB)