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Posted to github@arrow.apache.org by "andygrove (via GitHub)" <gi...@apache.org> on 2023/04/10 15:03:04 UTC

[GitHub] [arrow-datafusion] andygrove commented on issue #5942: Poor reported performance of DataFusion against DuckDB and Hyper

andygrove commented on issue #5942:
URL: https://github.com/apache/arrow-datafusion/issues/5942#issuecomment-1501925870

   There was a question on slack asking if the Python bindings enable parallel scans.
   
   The Python SessionContext constructor is here. It uses `SessionConfig::default` if no config is provided, so yes, parallel scans should be enabled if a recent version is being used.
   
   https://github.com/apache/arrow-datafusion-python/blob/main/src/context.rs#L216-L233


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