The folks at Plumbr have done some interesting data harvesting from the anonymous phone home data provided by the free version of their memory leak detection system. This has allowed them to determine the most popular application servers from their user base. From over a 1000 installations they were able Read more…
I have been working lately with the new JDK 7’s Async I/O APIs (“AIO” from here), and I would like to summarize here my findings, for future reference (mostly my own). My understanding is that the design of the AIO API aimed at simplifying non-blocking operations, and it does: what Read more…
Jetty 9.1.0 has entered round 8 of the Techempower’s Web Framework Benchmarks. These benchmarks are a comparison of over 80 framework & server stacks in a variety of load tests. I’m the first one to complain about unrealistic benchmarks when Jetty does not do well, so before crowing about our Read more…
Since we discovered how to make Jetty-9 avoid parallel slowdown, we’ve been continuing to work with micro benchmarks and consideration of Mechanical Sympathy to further optimise Jetty-9. As we now about to go to release candidate for Jetty-9, I thought I’d give a quick report on the excellent results we’ve Read more…
How can the sum of fast parts be slower than the sum of slower parts? This is one of the conundrums we faced as we have been benchmarking the latest Jetty-9 releases. The explanation is good insight into modern CPUs and an indication of how software engineers need to be Read more…
Introduction One of the big refactorings in Jetty 9 is the complete rewrite of the HTTP client. The reasons behind the rewrite are many: We wrote the codebase several years ago; while we have actively maintained, it was starting to show its age. The HTTP client guarded internal data structures from Read more…
The SPDY protocol will be the next web revolution. The HTTP-bis working group has been rechartered to use SPDY as the basis for HTTP 2.0, so network and server vendors are starting to update their offerings to include SPDY support. Jetty has a long story of staying cutting edge when Read more…
Jetty 9’s NIO code is a nearly complete rewrite with improved architecture, cleaner and clearer code base and best of all it’ll be even faster and more efficient than jetty 7/8’s NIO layer. Detecting concurrent code issues is usually not a trivial thing. In today’s blog I will describe how Read more…
Simone Bordet and I spoke at JavaOne this year about the evolution of web protocol and how HTTP is being replaced by WebSocket (for new semantics) and by SPDY (for better efficiency). The demonstration of SPDY Push is particularly good at showing how SPDY can greatly improve the latency of Read more…
Creating WebSockets in Jetty is even easier with Jetty 9! While the networking gurus in Jetty have been working on the awesome improvements to the I/O layers in core Jetty 9, the WebSocket fanatics in the community have been working on making writing WebSockets even easier. The initial WebSocket implementation Read more…