请教php保存数据的方案，谢谢！
小弟有个数据查询的网站，预计数据量很大，我起初想为了查询方便就插入mysql中，但实测下来每天插入的数据量可能在100M以上，如果用mysql估计成本增加，还不知道效率怎么样。
所以我想用文件形式保存数据，考虑过txt，xml，这样读取文件稍微麻烦点也不好紧。不过我最近想到，能不能用序列化的办法保存成文件？（因为我那些数据本质上属于一些数组数据），如果全部序列化，读取的时候直接反序列化那么效率应该会快得多？
想听听高手的意见，谢谢！！
回复讨论(解决方案)
查询读取的次数应该数量级多于写入吧？不用数据库用文件，IO会耗死机器的
查询读取的次数应该数量级多于写入吧？不用数据库用文件，IO会耗死机器的
确实，这样只好考虑数据库了。。。。
只有缓存不经常变化的数据才是有意义的，否则检查数据是否更新的开销也是不可忽略的
如果你的数据只是一些数组数据，那么最高效的就是保存 var_export 的结果到程序文件
使用时只需 include 即可
用文件不如用sqlite，文件且带sql查询
不清楚楼主说的成本指哪方面
建议楼主谷歌下PostgreSQL，mysql内存数据库，以及maria
文档类型简单数据也可考虑nosql，如couchdb,mongodb等
-----------------------------------------------------
另外，如果不考虑IO，性能，查询插入并发啥的，可以把生成php文件用变量放数组或序列化后的数据
试试mogonDB啊，存储序列化数据还是很方便的，跟php的连接读取也很成熟，读xml和txt肯定没读数据库快的
只有缓存不经常变化的数据才是有意义的，否则检查数据是否更新的开销也是不可忽略的
如果你的数据只是一些数组数据，那么最高效的就是保存 var_export 的结果到程序文件
使用时只需 include 即可
版主讲的狠对，另外将var_export的结果保存在一个文件php文件中同时设置下缓存时间，这样就既可以保证缓存还可以保证不频繁查询数据库，当然要用数据库保存的话插入是必不可少的嘛。还能有什么办法减少插入的次数的同时还能保证数据不变？大概只能保证少链接下数据库了吧？请指教
不需要 设置缓存时间 ！
设置缓存时间 是一种被动方式，无论数据是否变化，时间一到就都要重写缓存。既然是想用缓存来提高速度，那么任何一点浪费都是不应该的
你可以在更新数据成功后，即可更新缓存！
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