GO语言|青训营笔记这是我参与「第五届青训营」伴学笔记创作活动的第 9 天 MVCC 悲观锁：操作数据时直接把数据锁住

这是我参与「第五届青训营」伴学笔记创作活动的第 9 天 MVCC

悲观锁：操作数据时直接把数据锁住，直到操作完成后才会释放锁，上锁期间其他人不能修改数据 CleanShot 2023-02-03 at 18.20.18@2x.png 乐观锁：不会上锁，只是在执行更新时判断别人是否修改数据，只有冲突时才会放弃修改

CleanShot 2023-02-03 at 18.22.05@2x.png 共识协议

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CleanShot 2023-02-03 at 18.31.36@2x.png RAFT协议

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CleanShot 2023-02-03 at 18.34.00@2x.png

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CleanShot 2023-02-03 at 18.34.50@2x.png

CleanShot 2023-02-03 at 18.35.00@2x.png

Paxos协议

CleanShot 2023-02-03 at 18.35.31@2x.png