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乐观的并发策略——基于CAS的自旋 - CSDN博客

 6 years ago
source link: https://blog.csdn.net/wangyangzhizhou/article/details/80036206?
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悲观者与乐观者的做事方式完全不一样,悲观者的人生观是一件事情我必须要百分之百完全控制才会去做,否则就认为这件事情一定会出问题;而乐观者的人生观则相反,凡事不管最终结果如何,他都会先尝试去做,大不了最后不成功。这就是悲观锁与乐观锁的区别,悲观锁会把整个对象加锁占为自有后才去做操作,乐观锁不获取锁直接做操作,然后通过一定检测手段决定是否更新数据。这一节将对乐观锁进行深入探讨。前面用Synchron...

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