03 Jun '13, 9pm

@headius how relevant is in 2013? I have a Jruby app I'm trying to profile, researching how to do it properly.

@headius how relevant is in 2013? I have a Jruby app I'm trying to profile, researching how to do it properly.

Because JRuby runs on the JVM, we benefit from the dozens of tools that have been written for the JVM. Among these tools are numerous memory inspection, profiling, and reporting tools, some built into the JDK itself. Want a heap dump? Check out the jmap (Java memory map) and jhat (Java heap analysis tool) shipped with Hotspot-based JVMs (Sun, OpenJDK). Looking for a bit more? There's the Memory Analysis Tool based on Eclipse, the YourKit memory and CPU profiling app, VisualVM, now also shipped with Hotspot JVMs...and many more. There's literally dozens of these tools, and they provide just about everything you can imagine for investigating memory.

Full article: http://blog.headius.com/2010/07/browsing-memory-jruby-way...

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RuboCop 0.8.0 Is Out, Support for JRuby and Rub...

rubyflow.com 28 May '13, 9am

RuboCop 0.8.0 Is Out, Support for JRuby and Rubinius Is In! Posted by bozhidar on May 28, 2013 — 0 comments I just release...