Quite a lot actually.
We use Redis backend in the https://github.com/discourse/message_bus gem for live page updates, for the Rails cache, for the distributed rate limit, for our semaphore system, etc.
Quite a lot actually.
We use Redis backend in the https://github.com/discourse/message_bus gem for live page updates, for the Rails cache, for the distributed rate limit, for our semaphore system, etc.