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Posted to jira@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/12/29 00:05:00 UTC

[jira] [Created] (ARROW-11056) [Rust] [DataFusion] Allow ParquetExec to parallelize work based on row groups

Andy Grove created ARROW-11056:
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             Summary: [Rust] [DataFusion] Allow ParquetExec to parallelize work based on row groups
                 Key: ARROW-11056
                 URL: https://issues.apache.org/jira/browse/ARROW-11056
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust - DataFusion
            Reporter: Andy Grove


ParquetExec currently parallelizes work by passinging individual files to threads. It would be nice to be able to do this in a finer-grained way by assigning row groups and/or column chunks instead. This will be especially important in distributed systems built on DataFusion.



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