NATS cache client support

[liamkinne]

Would there be interest in me contributing NATS cache client support? i.e. in addition to Redis and Memcached.

I'm looking to eventually have the ability to use NATS for caching/indexes with Mimir rather than Redis.

[56quarters]

Note that if you are running Mimir, the helm chart and jsonnet configure Memcached for you. We (Grafana) don't run Redis internally for Mimir and so can't support it as-is. NATS would be in the same position, you'd likely end up being responsible for it if it was accepted.

[liamkinne]

Happy for that to be the case in terms of responsibility.

For context, we're running Mimir on Fly.io using their managed consul for kv and Upstash Redis for caching. Upstash isn't really designed for high throughput (we're limited to 1000 commands/sec) so we've been using NATS since it comfortably scales to 100x that without costing a lot.