xuanyuanking edited a comment 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-479711195 @cloud-fan As our offline discussion, thanks for your excellent idea about keeping the "generation id" by reusing the local properties of the task, that reduces a lot of interface changes. The newest commit f88f9d6 also keeps the behavior about only use extended block id for a retried indeterminate stage, I think it's ready for reviewing now.
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