Doug Cutting and Mike Cafarella developed the Big Data structure as part of their research called as the 'Nutch' Project. After Cutting joined Yahoo in 2006, the Nutch Project paved the way for Hadoop which was named after Cutting's son, Toy elephant. It was unveiled by Yahoo in 2008 as an open source framework which today is managed by Apache Software Foundation (ASF), a non profit worldwide alliance of software developers and contributors. Fundamental know how of Java and superior analytical skills are prerequisites for the course certification.