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by mannyv 621 days ago
I've been doing this so long that my first thought was "use redis."

Why?

* it works

* it's available now

* it scales

* it's capable of HA

* it has bindings for every language you probably want to use

Why bother writing your own cache, unless it's for an exercise? Cache management is complicated and error prone. Unless the roundtrip kills you just use redis (or memcached).