缓存到底多长时间合适？该怎么解决
缓存到底多长时间合适？
比如memcache，缓存期间数据不发生变化的，比如30分钟内，这反而不好，但是缓存时间设小了意义又不大，比如30秒，缓存这东西，到底设多长时间才好？
------解决方案--------------------
缓存这东西，简单说就是，在容量允许的情况下越多越好，在实际数据未发生变化的时间内越长越好。
不知道这样的说法是否回答了你的问题，hehe
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基于CSDN论坛提供的插件扩展功能，自己做了个签名档工具，分享给大家，欢迎技术交流 :)
------解决方案--------------------
看需要。一些1天不变1次的，可以缓冲1天。
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