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 in Apache Spark 2.2

Apache Spark 2.2 ships with a state-of-art cost-based optimization framework that collects and leverages a variety of per-column data statistics (e.g., cardinality, number of distinct values, NULL values, max/min, avg/max length, etc.) to improve the… Read more