xuanyuanking 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-551882823 @tcondie Just as Wenchen said, the scenario which can use radix sort has more conditions. You can check the logic in `SortPrefixUtils.canSortFullyWithPrefix`. The non-deterministic behavior in round-robin shuffles always happened after task failing, and a simple suite to reproduce is necessary for debugging.
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