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Re:Apache Arrow Datafusion 5.0.0 release by legg0myegg0 on Wednesday August 25, 2021 @01:39AM (#28298368)
How would you compare the goals, vision, and current status of DataFusion with DuckDB? (www.duckdb.org) Could DuckDB be an execution engine for Ballista?
Re:Apache Arrow Datafusion 5.0.0 release by hashjoiner on Wednesday August 25, 2021 @04:03AM (#28299097)
DataFusion committee here.

DuckDB can work on Arrow data, so I think it could coexist with DataFusion / Ballista quite well. I am not sure whether having different execution engines for Ballista is on the roadmap, but it's certainly a possibility!