Do It Yourself (OpenJDK) Garbage Collector

Building any part of language runtime is a fun exercise. At least, building the first and hacky version is! Building a reliable, high-performance, observable, debuggable, fail-predictably version of the runtime subsystem is really, really hard. Building a simple garbage collector is deceptively easy, and this is what we shall do here. Roman Kennke did the FOSDEM 2019 talk and demo "Building the GC