Takeover 又分两中配置类型:单边接管(one-sided)和相互接管(mutual takeover)。 在单边接管配置中,备份节点执行一些附加的、不关键的、不可移动的任 务,当主节点故障时由备份节点接管任务。
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出于下列两个理由,我们选择了相互接管,而非备用配置
We chose mutual takeover rather than a standby configuration for two reasons
总之,相互接管场景也是需要两个单独数据库的环境的极佳解决方案。
Overall, the mutual takeover scenario is also a very good solution for the case where the environment needs two separate databases.
同样,如果两个应用程序是不同的,且使用不同的数据库,就只能实现相互接管。
Also, a mutual takeover can only be implemented if the two applications are distinct and use different databases.
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