Speaker

Ron Hu, Database System Architect at Huawei Technologies

Ron Hu

Database System Architect, Huawei Technologies

Ron Hu is a Database System Architect at Huawei Technologies where he works on building a big data analytics platform based on Apache Spark. Prior to joining Huawei, he used to work at Teradata, Sybase, and MarkLogic with a focus on parallel database systems and search engine. Ron holds a PhD in Computer Science from University of California, Los Angeles.

Sessions

Cost-Based Optimizer Framework for Spark SQL

In Spark SQL’s Catalyst optimizer, many rule based optimization techniques have been implemented, but the optimizer itself can still be improved. For example, without detailed column statistics information on data distribution, it is difficult to… Read more