System design hack: Postgres is a great pub/sub and job server https://layerci.com/blog/postgres-is-the-answer/
Interesting approach, but how does this compare to using Redis Streams for high-frequency events?
How do you manage connection limits at scale? We struggled with too many idle LISTEN listeners.
Interesting that they used Postgres, how did you handle conflicts in the pub/sub scenario?
Interesting approach! Are you mostly leveraging `LISTEN/NOTIFY` for the pub/sub, or something else for job queueing?