Dustin Whittle (AppDynamics) Interview - OSCON 2014
summary
AppDynamics describes monitoring web and mobile apps and diagnosing exactly what fails. PHP projects gain most by caching effectively, moving nonblocking work to background queues, and using performance tools to find hotspots rather than switching languages. At massive scale, drop‑in alternatives like HHVM or VM+JIT rewrites yield big wins—Facebook-style changes can save “tens of millions,” and a 20% perf improvement can cut hundreds of millions in data center costs.
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