Sometimes you want to examine what impact would a new JAX-RS filter have on performance of your application. Whether your custom message body provider is as fast as you though or you simply want to find out the throughput of your JAX-RS resources or client instances. Recently we were looking into this area and we’ve created few utilities that may make your life easier if you want to write micro-benchmarks for JAX-RS applications.
There were many performance improvements since Jersey 2 first came out almost 2 years ago. Jakub and I decided to present some of the latest ones in our recent articles. Jakub took a look at general performance gains in Jersey in his Jersey 2 Performance. I’ll try to cover the change we introduced in Jersey 2.16 and that affected processing and performance of sub-resource locators in Jersey applications.