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Posted to github@arrow.apache.org by "wolffcm (via GitHub)" <gi...@apache.org> on 2023/07/31 15:59:41 UTC

[GitHub] [arrow-datafusion] wolffcm commented on issue #7001: Improve RepartitionExec for better query performance

wolffcm commented on issue #7001:
URL: https://github.com/apache/arrow-datafusion/issues/7001#issuecomment-1658670095

   To add a little bit more context to the above, the `RoundRobin` repartitioning is added as part of the `Repartition` optimizer pass, and then the `Hash` repartitioning is added by `EnforceDistribution` (because a subsequent operator requires it)


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