It lets you capture statistics such as total counts, total time, and worst-case performance for requests, and it will also let you drill down into that information for database calls within a request.

它允许捕捉请求的总数、总时间以及最差情况性能之类的统计值，还允许深入请求中数据库调用的信息。

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They also provided a heuristic with the worst-case performance ratio of 5/3, and this bound is tight.

他们也给出了一个启发式算法，它的最差执行比为5／3，并且这个界是紧的。

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This can be considered effectively a worst case scenario, as the couple retired just one year after the worst 10 year stock market performance in American history, from 1999 to 2008.

FORBES: Social Security Personal Accounts Are A Path To Prosperity

This can be considered effectively a worst case scenario, as the couple retired just one year after the worst 10-year stock market performance in American history, from 1999 to 2008.

FORBES: Social Security Personal Accounts And The Financial Crisis