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session 存入数据库的作用

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Release： 2016-06-06 20:36:11
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session可以自动保存到文件中，用来读取使用。为什么还会把产生的session的存入数据库，这样做的好处是什么

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session可以自动保存到文件中，用来读取使用。为什么还会把产生的session的存入数据库，这样做的好处是什么

1,稳定性强，宕机易恢复
2,负载均衡，使得业务机器与session解耦，session完全服务化，大型项目这点很重要，也可以叫分布式
3,安全，相对于文件，数据库有着更好的安全性

在现在云计算的时代，这种分离解耦可以很方便的部署大型业务，具体的好处和实施办法，你可以搜索分布式持久session服务

Related labels：
php session database document
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