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InnoDB的redo log 为啥不能解决部分写失效的问题

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InnoDB的redo log 为啥不能解决部分写失效的问题

  • 问题背景
    《MySQL技术内幕-InnoDb引擎》中有这么一句话我无法理解，请教大家
    image.png
  • 我的看法
    因为redo log是物理日志，比如说page(1,26) offset 800 'aaa' 这样的，因此如果需要使用redo log 时，其实我是不需要关心我页本身的数据是怎样的，直接覆盖用aaa不就行了嘛？但是文中说页本身损坏时，进行重做是没有意义的，这个话无法理解

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