Figure 1: (c) Jyotiswarup Raiturkar
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- 2023-03-13 ◦ Lessons Learned From Working With 2,000 Event-Driven Microservices - Natan Silnitsky - YouTube
Filesystem event-driven patterns
Filesystem watchers (kqueue on macOS/BSD, inotify on Linux) expose native
OS-level event streams on file or directory changes. They are a minimal
implementation of the EDA pattern for local processes: producers append to a
file; consumers block on the watcher fd and wake exactly once per event, with
zero idle CPU.
This is the mechanism behind the multi-agent communication approach in the AI coding agent ecosystem: agents share an NDJSON append-only log file, and each receiving agent blocks on kqueue/inotify until a peer appends a message.
- 2026-06-25 ◦ agent-channel (GitHub, fl4p) — filesystem-event-driven inter-agent messaging; kqueue/inotify wake-up, zero idle CPU, append-only NDJSON transcript