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Server response times, while easy to track and instrument, are ultimately a meaningless performance metric from an end-user perspective. Actual end-use.
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A perceived benefit of a client-side JS framework is the responsiveness of its interface - updates to the UI are instantaneous. A large amount of appli.
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rack-mini-profiler is a powerful Swiss army knife for Rack app performance. Measure SQL queries, memory allocation and CPU time.rack-mini-profiler is a.
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I’ve seen a lot of slow Ruby web apps. Sometimes, it feels like my entire consulting career has been a slow accumulation of downward-sloping New Relic .
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New Relic is a great tool for getting the overview of the performance bottlenecks of a Ruby application. But it's pretty extensive - where do you start.
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