Thanks for the clarification.
Certainly, Redis Cluster’s Pub/Sub seems to have problems yet.
Redis Cluster PubSub - Scalability Issues · Issue #2672 · antirez/redis
Edit: full mailing list discussion Hi all, I also posted this on the mailing list, but as I think it is a bug, I'll add…
NATS supports seems good.
Redis support is already decoupled so I can add NATS.
I’ll investigate it.