rufus-cloche

https://github.com/jmettraux/rufus-cloche

A very stupid JSON hash store. It's built on top of yajl-ruby and File.lock. Defaults to 'json' (or 'json_pure') if yajl-ruby is not present (it's probably just a "gem install yajl-ruby" away. Strives to be process-safe and thread-safe.