Presented By
O’Reilly + Cloudera
Make Data Work
29 April–2 May 2019
London, UK
Wojciech Biela

Wojciech Biela
Co-founder and Senior Director of Engineering, Starburst


Wojciech Biela is a co-founder of Starburst, where he’s responsible for product development. He has over 15 years’ experience building products and running engineering teams. Previously, Wojciech was the engineering manager at the Teradata Center for Hadoop, running the Presto engineering operations in Warsaw, Poland; built and ran the Polish engineering team for a subsidiary of Hadapt, a pioneer in the SQL-on-Hadoop space (acquired by Teradata in 2014); and built and led teams on multiyear projects from custom big ecommerce and SCM platforms to POS systems. Wojciech holds an MS in computer science from the Wroclaw University of Technology.


11:1511:55 Wednesday, 1 May 2019
Wojciech Biela (Starburst), Piotr Findeisen (Starburst)
Average rating: ***..
(3.12, 8 ratings)
Presto is a popular open source–distributed SQL engine for interactive queries over heterogeneous data sources (Hadoop/HDFS, Amazon S3, Azure ADSL, RDBMS, NoSQL, etc). Wojciech Biela and Piotr Findeisen offer an overview of the Cost-Based Optimizer (CBO) for Presto, which brings a great performance boost. Join in to learn about CBO internals, the motivating use cases, and observed improvements. Read more.