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The simple JMH-based benchmark of the Spring MVC vs EJB vs CDI RESTful web-service implementations

A very popular delusion in the Java world is Spring Framework provides better performance than good old Enterprise Java Beans. The best approach to compare technologies is just to get a benchmark. This repository contains three implementations of the same simple RESTful web-service based on Spring MVC, EJB and CDI, respectively. The service design is the following: resource providers are injected into a "service" class and the "service" is injected into a controller. This is the usual design of an enterprise application: data-access objects are injected into services and the services are injected into facades or controllers. Different technologies are used for Dependency Injection as well as RESTfulization.

The service just returns a string built by some letters and current time concatination:

Services return the following result

JMH is a Java harness for building, running, and analysing nano/micro/milli/macro benchmarks written in Java and other languages targetting the JVM.

The benchmark code contained by the file.

Benchmark running

# java -jar rest-benchmark/target/rest-benchmarks.jar ".*Benchmark" -f 4 -wi 20 -i 20 -t 4 -si true -gc true

Where:

  • -f [int] - How many times to forks a single benchmark.
  • -wi <int> - Number of warmup iterations to do.
  • -i <int> - Number of measurement iterations to do.
  • -si [bool] - Synchronize iterations?
  • -t <int> - Number of worker threads to run with.
  • -gc [bool] - Should JMH force GC between iterations?

Allowed parameters:

  • server - application server's host, localhost is default value.
  • port - application server's port.
  • path - path for the resource. Every path is relative to the /api/ catalog.
  • implementation - technology used for the RESTful service implementation. The passed values are just substituted in the rest-ws-{implementation} template for web-applications context-roots.

Example:

# java -jar rest-benchmark/target/rest-benchmarks.jar ".*Benchmark" -f 4 -wi 20 -i 20 -t 4 -si true -gc true
-p port=14633 -p implementation=ejb,cdi

Results

WebSphere Application Server 8.5.5.4 for z/OS

Mainframe logo IBM Mainframe zBC 12: 2 General CP + 1 zIIP, 32 GB RAM, z/OS 2.1, IBM J9 VM R26 SR7 based on Oracle 7u55-b13

Operations per second, the picture is clickable:

Mainframe results

WebSphere Application Server 8.5.5.8 Network Deployment

Lenovo logo Lenovo ThinkPad T440: 2 Intel i5-4300U @ 1.90 GHz, 8 GB RAM, Windows 7 x64, IBM J9 VM R27 SR3 based on Oracle 7u85-b15

Operations per second, the picture is clickable:

Lenovo results

Which result have you gone? Please, share it with me: [email protected]