Part Four in my "Distilling JRuby" series talks about the techniques for generating frames and backtraces.

Part Three in my "Distilling JRuby" series talks about a key figure in the performance of JRuby: The JIT Compiler

Part Two in my "Distilling JRuby" series talks about how variable scope is tracked inside the JRuby runtime.

Part One in my "Distilling JRuby" series covers the "basics" in method to method dispatching in JRuby