Stratio is delighted to announce that it is officially a Certified Spark Distribution. The certification is very important for us because we deeply believe that the certification program provides many benefits to the Spark community.
Spark Infographic: Advantages, activity, evolution of Spark adoption and main headlines.
Paper of the week: “BlinkDB: Queries with Bounded Errors and Bounded Response Times on Very Large Data” 
This paper has been presented at the Eurosys 2013 conference and is avaiblable for download at the conference website. The paper presents BlinkDB that, despite its name, is not a database but a query engine on top of Hive and Shark.
Our second Meetup of the Madrid Cassandra Users group took place on February 12th at Paradigma Tecnológico. The meetup consisted in two talks of 20 minutes each. Talk 1: Introduction to CQL3. Talk 2: A systems approach to the data life cycle.