MYSQL上千万条数据怎么优化
优化MYSQL上千万条数据的方案
1.优化数据结构，每张数据表字段4-5个，加上索引。还可以将不同的种类的数据存入不同的数据库。减少单个数据库的压力。
2.写入数据只是存的问题，问题在于读取数据会变慢。建议使用缓存memcache，redis在向你招收哦。将用户数据存入内存，再次读取避免从数据库查找。
3.分布式，搞集群，扩大配置。
一条新闻的相关信息，来源，作者，正文，这些基本不变咯，除了正文可能文字比较多，其他的你可以存进缓存，正文的话，你这里可以把前面200字作为正文缩略，存进缓存。
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