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MySQL主从复制架构使用方法 - 听风。
source link: https://www.cnblogs.com/huchong/p/10253522.html
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一. 单个数据库服务器的缺点 数据库服务器存在单点问题 数据库服务器资源无法满足增长的读写请求 高峰时数据库连接数经常超过上限 二. 如何解决单点问题 增加额外的数据库服务器，组建数据库集群 同一集群
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