cloud-fan commented on issue #25941: [SPARK-29257][Core][Shuffle] Use task attempt number as noop reduce id to handle disk failures during shuffle URL: https://github.com/apache/spark/pull/25941#issuecomment-535424962 Can you give more details on the design? It seems to me that the shuffle reader and writer need to work together to support multi-disks well. I don't understand how the noop reducer id is related to it.
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