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From the blog post "Rather than forcing developers to switch to a key-value store"...

> need Consul, Zookeeper and Redis to make this fly

A hard dependency on 3 key value stores?

We need either Consul or Zookeeper (for leader election). No dependency on Redis!

That part of the blog post refers to ReadySet having a SQL interface, rather than a key-value one.

Elixir/Erlang is not the most memory efficient, but it could be used for something like this without the need for Redis for Consul/Zookeeper.