xuanyuanking commented on issue #24110: [SPARK-25341][Core] Support rolling back a shuffle map stage and re-generate the shuffle files URL: https://github.com/apache/spark/pull/24110#issuecomment-474855997 ``` Why do we need this tag? For deterministic map stage, we will never rollback it, isn't it? ``` Yes Wenchen, also mentioned this just now in the answer of your [side question](https://github.com/apache/spark/pull/24110#issuecomment-474424797).
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