volatile-lrupolicy is likely your best bet for an All Futures configuration, depending on whether you use the
noevictionpolicy for Sidekiq and other queues that you want to complain loudly if they are filling up, and one
allkeys-lru`for Rails caching and All Futures.
hiredisgem still doesn't appear to support SSL connections. This is problematic in many deployment environments, and the delay has caused many Rails developers to question whether they really need the added complexity, given Redis is usually the fastest part of a request anyhow.