��你的社区还没有100万用户的时候使用NoSQL 数据库。</p>
<p>并不只是Quora和FriendFeed使用MySQL，Google，Twitter，Facebook都在使用MySQL.</p>
<p>参考：<a href="https://www.quora.com/How-does-one-evaluate-if-a-database-is-efficient-enough-to-not-crash-as-its-put-under-increasing-load"><img decoding="async" src="https://www.quora.com/favicon.ico" alt="" width="16" height="16"/>How does one evaluate if a database is efficient enough to not crash as it’s put under increasing loa