cloud-fan commented on issue #24892: [SPARK-25341][Core] Support rolling back a shuffle map stage and re-generate the shuffle files URL: https://github.com/apache/spark/pull/24892#issuecomment-503389041 Hi @xuanyuanking thanks for your great work! can you extend the PR description to explain what is shuffle generation id and why we can use stage attempt id to represent it?
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