Velocity 2011: John Rauser "Look at Your Data"
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Modern monitoring software makes it easy to plot a statistic like...
Modern monitoring software makes it easy to plot a statistic like
average latency every minute -- too easy. Fancy dashboards of time
series plots often lull us into a false sense of security. Underneath
every point on those plots is a distribution, and underneath that
distribution is a series of individuals: your customers. If you don't
take the time to look deeply at your data, you don't truly understand