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基于mysql的消息队列设计
2022-07-31 22:37:00 【InfoQ】
消息队列设计
存储消息数据的 MySQL 表格
表名
消息表
{topic}_message字段

原因
- 如果一个topic一张表,在实际生产中很可能每张表的负载情况不同,容易造成资源分配的不均匀和浪费。而且如果有表的消息数量增长的很快时,进行横向或纵向扩容,由于本身每个topic已经分表,会进一步增加表管理的复杂度。
- 将自增主键作为索引,有利于mysql快速查询和写入,避免性能损耗。
订阅表
subscribe_info字段

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