为了实现读写分离，我们需要连接池。

For R/W Splitting, we need a connection pooling.

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此层通过将点对点连接与接口本身分离，从而对服务实现虚拟化。

This layer virtualizes the services by decoupling the point-to-point connections from the interfaces themselves.

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此层通过将点对点连接与接口本身分离，从而将服务虚拟化。

It virtualizes the services by decoupling the point-to-point connections from the interfaces themselves.

youdao