Rob Keevil, Solution Architect and Developer at KnowIT

Rob Keevil

Solution Architect and Developer, KnowIT

Rob is a Solution Architect and developer for Big Data applications, with 10 years experience working in financial services and counter-fraud domains. He’s currently working with ING Netherlands in their Advanced Analytics team. The team is an “internal start up,” which aims to change the way the bank operates via data driven analytics and machine learning.


Working with Skewed Data: The Iterative Broadcast

Skewed data is the enemy when joining tables using Spark. It shuffles a large proportion of the data onto a few overloaded nodes, bottlenecking Spark’s parallelism and resulting in out of memory errors. The go-to… Read more