Sorry, this cut me off:   Given the "Data Architect" demand and given your interest in architecting solutions rather than writing Java, Cloudera has a number of other resources to get you started:   Gwen Shapira, a Cloudera Solutions Architect, has written a primer for Oracle DBAs which might be of interest: http://blog.cloudera.com/blog/2014/01/the-hadoop-faq-for-oracle-dbas/   Gwen, along with three other Clouderans are close to releasing a book titled: Hadoop Application Architectures, the early release is available http://blog.cloudera.com/blog/2014/07/the-new-hadoop-application-architectures-book-is-here/   You might want to check those out as well.    ... View more