This can be useful for performance analysis, error checking, and troubleshooting.

这对于性能分析、错误检查和故障检修很有用。

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However, this can lead to complex error scenarios and hard to resolve performance issues at runtime that cannot be foreseen by operations people.

不过，这在运行时可导致操作人员无法预见的复杂错误场景和难以解决的性能问题。

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You can use qualifiers to extend the quality of service to components, helping to address error handling and load and performance requirements of the business service.

您可以使用限定符来扩展组件的服务质量，有助于定位错误处理和负载以及执行业务服务需求。

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However, as index-based mutual funds and ETFs continue to gain popularity and active managers are increasingly pressured to control their performance tracking error relative to benchmark indexes, the markets could become less efficient.

FORBES: Equal-Weight Indexers Didn't Suck Wind For A Decade

O'Gara was successful with another kick but Munster's performance was still error-ridden.

BBC: Munster 19-17 Montauban

In his first game in charge at the Millennium Stadium, Wales showed flashes of their ability, but an error-strewn performance meant they led the Scots by just 17-15 after 60 minutes.

BBC: Gatland promises more tinkering