Oracle actually has a product called Big Data Appliance (and has been for a couple of years IIRC), that offers Cloudera-based clusters. They also offer that as

Oracle actually has a product called Big Data Appliance (and has been for a couple of years IIRC), that offers Cloudera-based clusters. They also offer that as a cloud service so you don't have to actually own the hardware. Not sure how much traction is having vs Horton or Cloudera, but I'm sure a lot of companies that already buy Oracle would look into it if needed.