> Tarantool is an open-source NoSQL database management system and Lua application server developed in my.com. The first version of Tarantool was released in 2008 and the newest version is 1.6.7.

and later

> Through all tests we executed, Tarantool showed the best result for the count requests per second and for many of tests latency values on any type of examined workloads. Therefore, we can decide that for most of typical projects Tarantool suits them more that popular solutions such as Redis, CouchBase or Memcached. This is the basis of our decision to use Tarantool for our projects here at my.com.

So yeah. Obviously.