执行一些工作以确定发生了什么事件，然后执行少量工作分配必需的任务以处理此事件(上下文切换)。
Some amount of work is done to determine what event occurred and, after a small amount of work, the required task is dispatched to deal with the event (a context switch).
在这样的系统中，使Web服务器的基本内核在各个进程之间切换(以便确定它们是否有需要CPU处理的工作)所需的开销将成为瓶颈。
In such a system, the overhead that it takes for a web server's underlying kernel to switch between each process (to see if they have any work for the CPU to do) becomes a bottleneck.
然后，欺诈警报服务使用切换中介来确定活动过程，以便根据欺诈分值来定义相应的传输逻辑路径。
The fraud alert service then determines the course of action using a switch mediator to define deferent logical paths based on the fraud score.
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