Note that the data is sent every minute in an aggregated format, therefore the trace must run longer than one minute in order for you to see these payload messages.

请注意，数据是以汇总形式每分钟发送一次，因此追踪的运行时间必须大于一分钟，这样您才能看到这些有效载荷消息。

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Because the overhead to run trace is significant, it is important to ensure that all tracing is turned off when you are not debugging problems.

因为运行跟踪的开销是不可忽略的，所以，当您不在调试问题的时候，确保关闭所有的跟踪很重要。

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The SQL Activity Trace can be scheduled in advance or run on demand.

SQL活动跟踪可以预先排定，也可以随需运行。

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One should also not stop with the short-run effects of the minimum wage but trace out the longer-run effects on the number of jobs and unemployment rates for affected workers.

FORBES: The Minimum Wage Delusion, And The Death Of Common Sense