同时，一个客户端可以配置多个可连接的服务器，通过将这些服务器组织成一个层次结构来定义一个有效的故障转移策略。
In the meantime, a client can be configured to connect to many servers, organized in a hierarchy of server connection pools that defines an effective failover strategy.
同时，一个客户端可以配置多个可连接的服务器，通过将这些服务器组织成一个层次结构来定义一个有效的故障转移策略。
In the meantime, a client can be configured to connect to many servers, organized in a hierarchy of server connection pools that defines an effective failover strategy.
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