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This is for the situations like this: Tester: in lab environment it takes xx seconds to run. Dev: this is not a problem when we deploy the application on production environment. This little conversation is different from the problem of this article, because production environment is 'faster' then lab environment. But if application code is not written with performance in mind, no hardware can help you with application performance. That means if application runs slow with 10 concurrent users, on faster environment will run slow for 20 concurrent users. And you need in production much higher throughput. Always start from your code if you have performance problems with your application.