消耗低，一般低于30%的额外运行时间和50%的代码体积增长。

Very low overhead; typically less than 30% longer runtime and 50% extra code size.

youdao

一般来说，对于个别测试，您应该只在最大负载级别上运行下面描述的个别测试和配置点，运行时间最多为10至30分钟。

Typically, the individual tests and configuration points that are described below should only be run at the peak load level for an individual test for a maximum of 10 to 30 minutes.

youdao

如果在一般环境下，企业不能负担冗余服务器，数据中心，以及其他百分之 99.999 运行时间所需的基础设施，这点非常有用。

This is particularly advantageous if, under ordinary circumstances, the company cannot afford redundant servers, data centers, and other infrastructure that is required for 99.999 percent uptime.

youdao

In general, when we wanna talk about running time, we just need a silly place holder, so we'll call it T for time.

一般情况下，当我们讨论运行时间时，需要一种表示方法，这里T表示时间。

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