随着資料量和通路量的增長,網站構架大緻有這麼幾個發展階段(以PHP+MySQL+Memcached為例):
1: PHP + MySQL
2: PHP + MySQL (Master + Slaves)
3: PHP + MySQL (Master + Slaves) + Memcached (Middleware)
4: PHP + MySQL (Sharding + Master + Slaves) + Memcached (Middleware)
5: PHP + MySQL (Sharding + Master + Slaves) + Memcached (Middleware) + NoSQL