Dimensional Modeling and Kimball Data Marts in the Age of Big Data and Hadoop

Uli Bethke Big Data, Business Intelligence, Data Warehouse, Dimensional Modeling

Update 29-May-2018: The purpose of this article is threefold (1) Show that we will always need a data model (either done by humans or machines) (2) Show that physical modelling is not the same as logical modelling. In fact it is very different and depends on the underlying technology. We need both though. I illustrated this point using Hadoop at ...

Big Data News: Convergence with Mapr and Faster Stateful Streaming Processes with Spark

Uli Bethke Big Data, DFS, HUG Ireland, MapR, Spark

Mapr on Impedance Mismatch and how convergence is achieved for layered architecture along with Databricks on using the new Spark API “mapWithState” for faster Stateful Spark Streaming As our big data world comes to the end of another week, the team at Sonra have been once again impressed by the weeks highlights in big data. Mapr has shared its insights ...

Big Data News: Apache Samza V 0,0.10 Release and Dataiku on great Predictive Modelling for Healthcare

Uli Bethke Apache, Big Data, Business Intelligence, Data Discovery, Data Science, Data Science

Apache Samza Release of V 0,0.10 and Dataiku’s Free eBook on how great Predictive Modelling projects are done in Healthcare As the week draws to a close, the team here at Sonra have once again been impressed by the recent developments our industry has presented our community with. Apache has launched their new release of Samza V0, 0.10. This big ...