What’s New in Apache Impala 4.5: Iceberg, Performance & More
Quanlong Huang
Chinese Session 2025-07-26 15:00 GMT+8 (ROOM : Mtn BaiWang Hall) #olapApache Impala is a native query engine implemented in MPP architecture for open data and table formats.
In this session, we will share the updates in the Impala community during the past year, including the core features of the 4.5 release, e.g. MERGE, OPTIMIZE statement support and Puffin file reading for Apache Iceberg tables, explicit language support for query and session management, and numerous performance improvements across a broad domain.
Updates on some on-going projects will also be shared, e.g. Calcite Planner, Intermediate Results Caching, Catalog scalability improvement, etc.
Finally, we’ll explore Impala’s roadmap, including the upcoming 5.0 release.
Speakers:
Quanlong Huang: Cloudera, Senior Staff Engineer
Quanlong Huang is a software engineer at Cloudera. He has been contributing to the Apache Impala project for the past 6+ years. He is a committer and PMC member of Apache Impala, also a committer of Apache ORC and contributor of some other open-source projects like Apache Hive, Apache Hadoop, Apache Thrift, etc.