Comments (4)
knight-xiaolu2023
commented on July 26, 2024
好像又不行了，试了下加不加delete都没有数据
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ddcw
commented on July 26, 2024
你删除数据之后, mysql不一定马上就刷盘(数据可能还在内存中), 所以磁盘上有可能还是 未删除的 的状态. (为了更好的利用IO)
一个简单的验证方法: 重启 然后再次解析. (当然被标记为delete的数据行有可能会被清除掉)
执行命令： python3 main.py /opt/user.ibd --debug --complete-insert --sql --delete 没有任何数据但是把--delete去掉后 可以恢复数据，但是我其实是使用delete from user 直接删除的。
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ddcw
commented on July 26, 2024
所以 备份和开启binlog更重要(redo不要关), 本工具只是万不得已才使用的.
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knight-xiaolu2023
commented on July 26, 2024
我昨天猜测也是可能是异步的，但是等了5分钟还是没数据。你这个工具很不错 。上次我把测试环境数据误删了就是用你这个恢复的，感谢哈
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