Partition and File Pruning for Dremio’s Apache Iceberg-backed Reflections
Learn how partition design can be used to improve query performance in the context of Apache Iceberg and Dremio Reflections. We will start with an overview of Dremio Reflections and how partition design plays a key role in query planning and execution. Then, we will look into some Dremio Sonar query execution profiles to see partition pruning and stats usage in action.