About the author

Bill was the first developer hired to help build New Relic back in 2008. He's worked in application performance management for over a decade but is probably best known for his six month stint as a deck hand aboard the tall ship Rose back in '96. As a Distinguished Engineer at New Relic he's focused these days on APM data visualization and software performance analytics.

Breaking Down Apdex

By Posted in New Relic News, Tech Topics, Top Post 10 September 2013

How well is your web application servicing your customers right now? That’s a common starting point when using and an APM tool like New Relic. To put it more succinctly: How are you doing? There’s plenty of evidence and opinion to suggest that watching your average response time won’t give you anything near a complete answer…

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Monitoring DelayedJob

By Posted in Tech Topics, Top Post 12 September 2012

Like many Ruby shops we use the DelayedJob job runner to run many of our background tasks. The New Relic agent has had some basic DelayedJob instrumentation for a while now but until recently you were limited to a few metrics which could only be viewed using the somewhat limited and unwieldy custom charts. But…

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Of rainbows and polka-dots: New Relic’s Scalability Charts explained

By Posted in Tech Topics 13 June 2011

One of my favorite features in New Relic is the Scalability Charts, and I’m not just saying that because I implemented them.  They show an app’s performance profile using  dimensions not typically captured in traditional performance monitoring software, which is all about time series data.  Time series data is invaluable for understanding how things change…

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