问题一：RabbitMQ&AMQP从专业版升级到企业版有计划支持没？ RabbitMQ&AMQP从专业版升级到企业版有计划支持没？参考答案：可以直接新建一个serverless实例，把专业版不满足的queue新建到新实例上。serverless能力和企业版一样，且按量计费更节约成本。关于本问题的更多回答...

文章 2022-02-16 来自：开发者社区

EF架构~通过EF6的DbCommand拦截器来实现数据库读写分离~再续~添加对各只读服务器的心跳检测

上一讲中基本实现了对数据库的读写分离，而在选择只读数据库上只是随机选择，并没有去检测数据库服务器是否有效，如服务器挂了，ＳＱＬ服务停了，端口被封了等等，而本讲主要对以上功能进行一个实现，并对配置文件也进行了一些优化，让它更好的支持多个数据库服务器，分别配置各个的账号和密码及数据库服务端口等等，接下来，就来看一下主要的代码吧。一　配置文件 <!-- ef实现对sql读写分离的配置，...

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更新时间 2024-07-01 10:05:04

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云服务器 ECS（Elastic Compute Service）是一种弹性可伸缩的计算服务，助您降低 IT 成本，提升运维效率，使您更专注于核心业务创新。

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