Category Archives: Performance Tuning

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Introducing dPerf – A Distributed Low Impact CPU Profiler for iOS

A few months ago, we launched an awesome new product – New Relic for Mobile Apps. As with all the products we develop, we wanted it to have a very low footprint on the apps it monitors. We needed a way to measure the impact our Mobile SDK has on our customers’ apps and ensure [...]

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5 Reasons to Implement a Content Delivery Network (CDN)

By now, we’re all familiar with the adage that “content is king” on the interwebs. That still may be the case — but even a king has limits. As Internet users, our collective impatience seems to grow more acute with each passing month. Few of us tolerate even a few seconds of delay when we’re [...]

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Better Metric Data Handling Improves New Relic’s Performance

The Metric Data Storage Problem Every day New Relic engineers face large challenges in the area of scalability, performance and data storage. Maintaining a 24/7 operation for a high volume of customers and keeping that service performant is a daunting task. As our user base has grown, the volume of data maintained and handled by [...]

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Lean Startup’s Eric Ries on Building Accountability into the Production Flow

Whether it’s the minimum viable product (MVP), pivots or continuous deployment, entrepreneurs love quoting the tenets of The Lean Startup movement. “The Lean Startup is more than just the parts that fit on a bumper sticker,” said Eric Ries, author of The Lean Startup and co-host of the third annual Lean Startup Conference in San Francisco. Ries [...]

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Monitoring DelayedJob

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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