Presented By O'Reilly and Cloudera
Make Data Work
22–23 May 2017: Training
23–25 May 2017: Tutorials & Conference
London, UK

Herman van Hövell tot Westerflier
Software Engineer, Databricks


Herman van Hövell tot Westerflier is a Spark committer working on Spark SQL at Databricks. Previously, Herman was a consultant working for clients in banking, manufacturing, and logistics. His interests include database systems, optimization, and simulation.


11:1511:55 Wednesday, 24 May 2017
Spark & beyond
Location: Capital Suite 12
Average rating: **...
(2.00, 5 ratings)
Herman van Hövell tot Westerflier looks back at the history of data systems, from filesystems, databases, and big data systems (e.g., MapReduce) to "small data" systems (e.g., R and Python), covering the pros and cons of each, the abstractions they provide, and the engines underneath. Herman then shares lessons learned from this evolution, explains how Spark is developed, and offers a peek... Read more.
11:1511:55 Thursday, 25 May 2017
Level: Intermediate
Average rating: *****
(5.00, 1 rating)
Herman van Hövell tot Westerflier offers a deep dive into Spark SQL's Catalyst optimizer, introducing the core concepts of Catalyst and demonstrating how new and upcoming features are implemented using Catalyst. Read more.