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关于日志崩溃恢复的问题 #27

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VisionofPolaris opened this issue Aug 10, 2024 · 0 comments

VisionofPolaris commented Aug 10, 2024

在日志崩溃恢复部分，对已经完成的事务（committed 或 aborted）进行重做Redo、对未完成的事务（active）进行撤销Undo。这里的撤销操作和对已取消事务的重做是不是没有必要进行呢？例如，未完成的事务在重做阶段都没有回放，再去撤销是不是多此一举？

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