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数据库标签

MySQL Group Replication, Single-Primary or Multi-Primary, how to make the right decision?

By default MySQL Group Replication runs in Single-Primary mode. And it’s the best option and the option you should use.
But sometimes it might happen that in very specific cases you would like to run you MGR Cluster in Multi-Primary mode: writing simultaneously on all the nodes member of the Group.
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MySQL InnoDB Cluser 多主模式实现高可用负载均衡

MySQL 的 Group Replication 功能,可以在一组 MySQL 服务器之间实现自动主机选举,形成一主多从结构。经过高级配置后,可以实现多主多从结构。
MySQL Router 是一个轻量级透明中间件,可以自动获取上述集群的状态,规划 SQL 语句,分配到合理的 MySQL 后端进行执行。
MySQL Shell 是一个同时支持 JavaScript 和 SQL 的交互程序,可以快速配置 InnoDB Cluster。
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