cloud-fan commented on issue #25491: [SPARK-28699][SQL] Disable using radix sort for ShuffleExchangeExec in repartition case URL: https://github.com/apache/spark/pull/25491#issuecomment-523369910 The overhead looks acceptable to me (considering there is already a big overhead in "sort before repartition"). I'm +1 to merge it as it is. As @tgravescs said we may fail jobs if we turn off "sort before repartitioning", which can be bad for backporting.
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