A description of the Erlang Runtime System ERTS and the virtual Machine BEAM.
Browse cluster: Distributed Databases & Data Systems →The BEAM Book is a comprehensive reference documenting the internals of the Erlang runtime system (ERTS) and its virtual machine, the BEAM. Written in AsciiDoc by Erik Stenman, the project is maintained as a collaborative, open-source effort with contributions from the community, and is licensed under Creative Commons BY 4.0. The book is available as both a downloadable PDF and an online resource, and can be built locally using standard tools like Asciidoctor, Graphviz, and Ruby, with support for Docker and devcontainer-based builds.