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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/07 09:50:33 UTC

[GitHub] [arrow-datafusion] tustvold commented on pull request #1990: Make it possible to only scan part of a parquet file in a partition

tustvold commented on PR #1990:
URL: https://github.com/apache/arrow-datafusion/pull/1990#issuecomment-1091446532

   Makes sense to me, regardless of what happens with scheduling, having a mechanism to cheaply subdivide the input streams directly, as opposed to streaming the output through a repartitioning operator, seems like a useful feature to have.
   
   My expectation is scheduling will help with  over-provisioned parallelism in the plan, but will still need mechanisms to express that parallelism in the first place 👍


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