Paul Maritz: Pivotal is a bridge to the future | Cloud computing - InfoWorld

From the third page of the article:

"Knorr: But Hadoop is batch processing, not real-time.
Maritz: That's why Hadoop is the beginning, not the end. Hadoop today is HDFS plus MapReduce. In the future it's going to be HDFS with MapReduce plus relational query, plus transactions, plus complex event processing. All of these additional ways of working with data are going to be added on top of the HDFS substrate, and they'll all be pulling information out of and pushing information into this big "data lake" at the bottom, which is a phrase they've started to hear more and more customers talk about. The data lake is an important notion, because if there's one commonsense thing about getting value out of data, it's that the more Balkanized your data is, the harder it is to get value out of it."

Paul Maritz: Pivotal is a bridge to the future | Cloud computing - InfoWorld