Recent Posts by Charles Oliver Nutter

Getting Started with JRuby and Java 7

Note: Our very own Charles Nutter recently wrote a blog post about using Java 7 with JRuby. With his permission, we’re reposting it here.
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JRubyConf 2011

It’s 2011, and it’s time again for JRubyConf! We’ve got a great show in store for you, with lots of excellent talks and a whole bunch of JRuby commiters, users, and presenters gathered together for three days of geekery August 3-5 in DC. Let’s take a look back at JRuby...
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JRuby 1.6 Released...Now What?

Hello again friends!
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JRuby 1.6.0 RC1 Released

After nine months of work, we are proud to announce the release of JRuby 1.6.0 RC1! We’ve added support for Ruby 1.9 APIs, improved performance and Windows support, and addressed tons of user issues. It’s the most important JRuby release yet, and here’s why…
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Monitoring Memory with JRuby, Part 2: Eclipse Memory Analyzer

This is part two in a series; visit Part 1: jhat and VisualVM to get the basics of heap dumping and analysis with JRuby. This post will expand on a tool mentioned briefly before, the Eclipse Memory Analyzer (MAT). We’ll continue where we left off.
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Monitoring the JVM Heap with JRuby

The JVM provides a number of management and monitoring interfaces that you, as a JRuby user, can use to keep an eye on or profile your application. There are interfaces for monitoring threads, monitoring memory usage, monitoring loaded JVM classes, and even for...
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Monitoring Memory with JRuby, Part 1: jhat and VisualVM

There’s been a lot of fuss made lately over memory inspection and profiling tools for Ruby implementations. And it’s not without reason; inspecting a Ruby application’s memory profile, much less diagnosing problems, has traditionally been very difficult. At least,...
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Scripting Java Libraries With JRuby

One of the most powerful features of JRuby (and one that’s unique to JRuby) is the fact that you can call out to any Java library as it if were just another piece of Ruby code. In fact, other than a few small details, you might not even realize you’re using Java...
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JRuby's Future at Engine Yard

By now you’ve heard the news: Tom Enebo, Nick Sieger and I will be joining the Engine Yard team to work on JRuby! We’re very excited about this opportunity and we’re looking forward to a bright future for JRuby and the community.
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