cloud-fan commented on issue #26409: [SPARK-29655][SQL] Enable adaptive execution should not add more ShuffleExchange URL: https://github.com/apache/spark/pull/26409#issuecomment-551404385 This is is not an AQE problem. IIUC we will add extra shuffle when `spark.sql.shuffle.partitions` is larger than the num buckets. Can we make `EnsureRequirements` smarter and fix the underlying problem?
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