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TorqueBox is a small adaptation layer on top of JBoss's Java application server, JBoss AS.
TorqueBox goes beyond providing web-centric services (supporting Rails, Rack, Sinatra, etc), to also expose other enterprise-grade services to Ruby applications.
One goal of the TorqueBox distribution is a simplified end-user experience. To accomplish this, the distribution includes a pre-integrated combination of the TorqueBox code, the base JBoss AS application server, and the full JRuby distribution, plus some useful gems such as Rails, Rack and Sinatra.
The result is a #{site.releases.first.dist_size}mb distribution with everything you need (except for a JDK) right in the tin.
Note: The next release of TorqueBox will be much smaller, as we will no longer distribute Rack, Rails, and other gems. You can simply grab them from RubyGems, of course.
Great question! The team is hard at work developing Immutant, which brings the same enterprise-grade services found in TorqueBox to the world of Clojure, even to the point of deploying both Ruby and Clojure apps to the same stack!
Beyond Clojure, Python is the most interesting, and could certainly benefit from a similar initiative.
We would welcome ideas on how best to use Scala, Groovy, or maybe even Javascript to harness the JBoss services in useful and interesting ways. But we have no definite plans to do so at this time.
Please see Up to eleven.
Check out the multitude of resources available for our both our user and development communities.
Your contributions to the code, this website, or the documentation are always appreciated.
For a very simple Rack app, each Ruby runtime took up 500KB of memory.
For Redmine (decent size Rails2 app), each Ruby runtime took up 2.5MB of memory.
These numbers are based on calculating the retained size of org.jruby.Ruby instances inside the JVM. If you're interested in finding the exact amount per runtime for your apps, I can help you figure this number out for app.
So, a decent-sized Rails application with 3 Ruby runtimes (messaging, web, and maybe a service) may need around 7.5MB of memory plus whatever memory the application consumes as it does its work.
These files should now be named with the *-knob.yml format. It is no longer
necessary to encode your web framework in the filename. So use -knob.yml instead.
Please see this article for more information.
These files are mostly deprecated at this point, replaced by sections within
a single torquebox.yml file.
Please see this article for more information.
Just run cd $TORQUEBOX_HOME && rake torquebox:upstart:install. This will install an upstart script and symlink $TORQUEBOX_HOME to /opt/torquebox.
Please see this article for more information.