Deploy a broker archive (BAR) file to multiple execution groups in a single step.

一步完成将一个代理归档(BAR)文件部署到多个执行组。

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Request metrics provide a mechanism to trace the flow of execution of a single request through the system, and measure the processing time at each step of that flow.

请求度量提供了一种机制，用于跟踪单个请求在通过系统时的执行流，并度量执行流中每一步骤的处理时间。

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The next step is to create an instance of QueryExecution, a class that represents a single execution of a query.

下一步是创建QueryExecution的实例，这个类表示查询的一个执行。

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