Often, you have access to a URL, but it doesn't make sense to load the page each time the context changes as it adds overhead that might not be warranted.

通常情况下的确可以访问url，但是，每当上下文发生改变就装载该页面的行为并不合理，因为这增加了可能不必要的开销。

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Accommodating peak activity minimizes the overhead of writing log records during heavy load periods.

适应峰值活动使得在重负载期间写日志记录的开销减到了最低。

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Run the GUI automation in single user mode (no load on the system) to establish a baseline that accounts for any tooling overhead

在单一用户模式下运行 GUI 自动化（系统上没有负载）以创建一个对工具负载负责的基线。

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An initial investigation shows the 1, 111-foot-long bridge collapsed when a tractor-trailer hauling an oversized load hit one of the bridge's overhead tresses, according to Deborah Hersman, chairwoman of the National Transportation Safety Board, which is investigating the incident.

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