is a relatively new high-performance Java implementation of the Ruby language that is showing increasing popularity among Java developers looking for additional productive frameworks.
JRuby allows for the incremental adoption of the Ruby language by allowing easy integration with existing Java libraries. It also lets Ruby and Rails applications to run easily on existing Java application servers that have been selected as standards within an organization.
I've been somewhat dismissive of Ruby as a language but there are more and more examples of large websites running extremely well. In fact RubyConf (already sold out) and JRubyConf are both seeing significant interest from developers for the upcoming events in San Francisco.
In the Q&A below I discuss how Jruby powers shopping site Gilt.com with CTO and co-founder Michael Bryzek.
If you are not familiar, Gilt Groupe has an interesting business model, somewhere between eBay and Woot, offering invitation-only sales of high-end fashion and luxury brands for men, women, and children. The site deals with unique spikes in traffic when new items are released as well as when an item becomes extremely popular. Accordingly, the IT infrastructure needs to be able to scale and burst in order to meet customer demands. … Read more