At Yammer we use Postgres, Vertica, Redis, Riak, and Memcache. Here's a video about how we use Riak (and Scala) in production: http://blog.basho.com/2011/03/28/

At Yammer we use Postgres, Vertica, Redis, Riak, and Memcache. Here's a video about how we use Riak (and Scala) in production: http://blog.basho.com/2011/03/28/Riak-and-Scala-at-Yammer http://blog.basho.com/2011/03/28/Riak-and-Scala-at-Yammer PS: https://www.yammer.com/jobs https://www.yammer.com/jobs