[总结]数据库解耦和拆分
随着业务越来越复杂,数据量越来越大,并发量越来越大,数据库的性能越来越低。好不容易找运维申请了两台机器,让DBA部署了几个实例,想把一些业务库拆分出来,却发现拆不出来,扩不了容,尴尬! 因为数据库强关联在一起,无法通过增加数据库实例扩容,就是一个耦合的典型案例。
Just One Pure ITer
随着业务越来越复杂,数据量越来越大,并发量越来越大,数据库的性能越来越低。好不容易找运维申请了两台机器,让DBA部署了几个实例,想把一些业务库拆分出来,却发现拆不出来,扩不了容,尴尬! 因为数据库强关联在一起,无法通过增加数据库实例扩容,就是一个耦合的典型案例。
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