xuanyuanking commented on issue #25620: [SPARK-25341][Core] Support rolling back a shuffle map stage and re-generate the shuffle files URL: https://github.com/apache/spark/pull/25620#issuecomment-526221319 As @squito's suggestion in https://github.com/apache/spark/pull/24892#issuecomment-520482491, this PR reuse the map task attempt id as part of the shuffle file name. cc @cloud-fan @vanzin
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