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Posted to jira@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2021/04/26 13:26:02 UTC

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

     [ https://issues.apache.org/jira/browse/ARROW-11056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Lamb closed ARROW-11056.
-------------------------------
    Resolution: Invalid

> [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
>            Priority: Major
>
> 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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