That impact is due to the overhead in creating and destroying those objects by the database resource manager process.

这种影响是由数据库资源管理器进程创建和摧毁那些对象而引起的。

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The resource handlers contain very little code in order to process incoming data, and the ZRM completely hides interactions with the back end database.

资源处理程序仅包含少量代码，用于处理输入数据，并且ZRM完全隐藏了与后端数据库的交互。

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When a component such as a resource adapter on WebSphere Process Server needs database access, it uses a server data source.

当 WebSphere Process Server 上的组件（如资源适配器）需要访问数据库时，它将使用服务器数据源。

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