# How the Archon Conversation Lock Manager Prevents Concurrent Message Processing

> The Archon conversation lock manager uses per-conversation semaphores to prevent concurrent message processing, allowing one handler per conversation while enabling parallel processing across multiple conversations.

- Repository: [Cole Medin/Archon](https://github.com/coleam00/Archon)
- Tags: internals
- Published: 2026-04-10

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**The Archon conversation lock manager implements a per-conversation semaphore that allows only one active handler per conversation while supporting parallel processing across multiple conversations up to a configurable global limit.**

The coleam00/Archon repository integrates with concurrent chat platforms like Slack, Telegram, GitHub, Discord, and Web interfaces, where race conditions can occur when multiple messages arrive for the same conversation simultaneously. Without explicit synchronization, two AI agents might process the same user request concurrently, corrupting shared state or database records. The **Archon conversation lock manager** solves this by centralizing lock