Github user gczsjdy commented on the issue: https://github.com/apache/spark/pull/19788 Can we just add the `ContinuousShuffleBlockId` without adding new conf `spark.shuffle.continuousFetch`? While in classes related to shuffle read like `ShuffleBlockFetcherIterator`, we also pattern match the formal `ShuffleBlockId`. This way no addition confs are needed.
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