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PHP:分布式事务及两阶段提交方案实现思路

Jun 06, 2016 pm 07:50 PM
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PHP因此语言特性和适用场景所限,其分布式事务实现不如Java那么成熟。 如果想通过PHP自行实现分布式事务, 1、可以参考一下Atomikos项目Atomikos, 该方案说明文档可通过如下资源下载阅读: http://download.csdn.net/detail/iefreer/5148135 这是一个分布式

PHP因此语言特性和适用场景所限,其分布式事务实现不如Java那么成熟。

如果想通过PHP自行实现分布式事务,

1、可以参考一下Atomikos项目Atomikos, 

该方案说明文档可通过如下资源下载阅读:

http://download.csdn.net/detail/iefreer/5148135


这是一个分布式事务的JAVA开源实现。

此外,你需要阅读一下XA/JTA相关的内容,以了解更多关于分布式事务的相关理论知识。

基本上两阶段提交2-phase-commit (2PC)在理论上并不难理解:

  • 所有参与的系统会被询问是否可以提交
  • 所有这些系统必须回答这个问题,是或否,是代表从那个时刻起,提交比较能够通过
  • 当所有系统都没问题的时候执行提交,仅此而已
  • 万一有某个系统有问题,那么所有的系统必须同步回滚
  • 协调系统规定在特定时间内返回应答,否则认为是否定答案
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