Blog Posts and Talks

A collection of blog posts, conference talks, and videos about Apache DataFusion Comet. If you have written or presented something about Comet that is not listed here, please open a pull request to add it.

📝 Blog Posts

• 2026-07-15: Accelerating Apache Spark Queries (and Iceberg Rust Development) with Apache DataFusion Comet — on the Apache Iceberg blog, covering Comet’s native Iceberg Parquet scan support.

• 2024-03-06: Announcing Apache Arrow DataFusion Comet — the Apache Arrow PMC announces the donation of Comet, a native Spark SQL accelerator built on Apache DataFusion.

Release announcements for each Comet version are published on the Apache DataFusion blog.

🎤 Talks and Videos

• 2026-07-25: Learn How to Accelerate Apache Iceberg Reads on EMR with Apache DataFusion Comet — step-by-step guide.

• 2026-07-23: DataFusion Community Showcase Vol. 2: DataFusion Comet & DataFusion Ballista.

• 2025-11-24: Fusing Academic Research and Open Source Systems for Petabyte-Scale Analytics — Matt Butrovich, UC Irvine CS 224P.

• 2025-06-13: Apache DataFusion: Putting Theory Into Practice — Matt Butrovich, DC Systems 004.

• 2025-04-30: Accelerating Spark with Iceberg and DataFusion Comet: Challenges, Performance Insights, and Roadmap — Huaxin Gao and Parth Chandra, Iceberg Summit 2025.

• 2024-09-30: Accelerating Apache Spark Workloads with Apache DataFusion Comet — Andy Grove, CMU Database Group “Database Building Blocks” seminar series.