peter-toth commented on issue #26044: [SPARK-29375][SQL] Exchange reuse across all subquery levels URL: https://github.com/apache/spark/pull/26044#issuecomment-557435052 @maropu > Could you show us actual performance numbers with/without this pr? This PR results 1.4x times speedup on q24 queries. Here is a detailed comparison: https://github.com/apache/spark/pull/26044#issuecomment-554993573 Do you think we can proceed?
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