This book is a guide to understanding Erlang’s runtime system, the BEAM VM. Dr Erik Stenman looks deep into the internals of the Erlang RunTime System (ERTS). The book shows how to optimize applications, debug performance bottlenecks, and what's different about functional language runtimes.

Author: Dr Erik Stenman
Publisher: HappiHacking
Date: May 2025
Pages: 465
ISBN: 978-9153142539
Print: 9153142535
Kindle: B0FBX7YWB1
Audience: Developers interested in BEAM and Erlang
Level: Intermediate
Category: Other Languages

Topics include:

• BEAM internals – How the virtual machine executes and optimizes Erlang code
• Process scheduling – How lightweight concurrency and distribution work under the hood
• Memory management – Garbage collection, heap allocation, and efficiency tuning
• Debugging and profiling – Tools and techniques to analyze BEAM performance

For recommendations of books on functional programming see First Class Functional Programming Books in our Programmer's Bookshelf section.

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