The example shows how to create a custom, multi-instance performance counter category for the number of orders per second.

该示例演示如何为每秒钟的订单数创建自定义的多实例性能计数器类别。

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The metric is derived by adding the operations per second in the dealer domain to the work orders per second in the manufacturing domain.

该度量是通过将经销商域（dealer domain）中每秒的操作数与制造商域（manufacturing domain）中每秒的工作订单（work order）数相加而得到的。

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That machine routinely processes 70, 000 orders, cancellations and trades per second but can handle up to 250, 000 per second--enough to deal with trades on the Nasdaq plus the London and Paris stock exchanges with room to spare.

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It seems that whenever the NYSE receives more than 20, 000 quotes per second, its CQS feed, which determines where many equity orders get routed, falls behind.

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