# PostgreSQL LISTEN/NOTIFY proves scalable in practice

A technical analysis demonstrates that PostgreSQL's LISTEN/NOTIFY mechanism can handle high concurrency and message volumes without performance degradation. This finding reassures developers that the feature is suitable for real-time event-driven applications at scale. It counters previous assumptions about its limitations in production environments.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://www.dbos.dev/blog/postgres-listen-notify-scalability) — Fri, 24 Jul 2026 19:05:53 +0000