Hacker's Handbook




Category: Processes

Designing Concurrent Systems on the BEAM - 2024-03-09
Principles and Strategies for Robust System Design

The Gnome Village - 2025-11-06
Threads fight. Gnomes cooperate.

Supervisors Are Managers - 2025-11-11
Build a village of gnomes, not a park of machines.

Gnomes, Domains, and Flows: Putting It Together - 2025-11-12
From checklist to a running payments path

Process Archetypes: The Roles in the Gnome Village - 2025-11-21
Every process has a job. Problems start when it has two.

Workers: Do One Job, Then Get Out of the Way - 2025-11-22
Short-lived processes, polite pools, and where people overcomplicate things

Resource Owners: One Process, One Piece of State - 2025-11-24
The boring, reliable center of most good systems

Routers: Processes That Only Decide Where Stuff Goes - 2025-11-26
The Gnome Village Mailmen

Gatekeepers: The Traffic Controllers of the Gnome Village - 2025-12-08
Processes that protect the system from the outside world, and from itself

Observers: The Watchful Gnomes of the Village - 2025-12-12
Processes that watch, restart, and enforce lifetimes


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