If you know Little’s law, you are already very near the answer. In a closed system (performance test environment), every virtual user fires the next request only after receiving the response for previous sent request. If the system response time increases, time taken fire the next request will...

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Believe me Performance Testing can be 100% waste of time & money if performance tests are not realistic. Always remember that Performance testing tool is a just a enabler to generate multiple user load traffic on the application under test. But if the traffic created by the load testing tool...

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Internet Of Things (IoT) is a very important buzzword now & hardly anyone is not aware of the terms like Smart Wearable devices, Smart Thermostat, Smart Car, Smart Home, Smart City, etc. With new advancements in device-to-device or device-to-server communications, Performance Testing tools...

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Statistical Modelling & Machine Learning has the common objective of "Learning from Data", but both are different in many ways. Statistical Modelling, which has been there for centuries, is a sub-field of mathematics which deals with formalization of relationships between variables in the...

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Performance Testing tools sometimes don’t generate the configured load due to several reasons like low server capacity , erroneous load generation configurations, etc. Hence it is always ideal to validate the performance testing results using Little’s law to ensure performance test results...

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Ideally, Performance test environment should be sized with same capacity as that of production to avoid any risk associated in interpreting the system performance characteristics for Production environment. This arrangement helps Performance Tester to primarily focus on the performance &...

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There are several terminologies used to address a system user. Broadly there are 4 types of users : User Base refers to the total number of users who can access the system. For Example: For a online shopping application, the total number of users in different geographies who can access the...

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We will continuously strive to deliver unique & useful courses in performance space with world class quality!! Every course we will launch in future will have interactive videos, professional voice-overs, etc. to provide a great learning experience for you. (We are in the process of...

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Many think, Queuing Theory is very complex rocket science, but its definitely not so complex, if you really understand the fundamentals properly. Its is a mathematical study of waiting lines or queues. Its principles are widely used in many industrial domains. Anywhere you see queues - Bank,...

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As a Performance Tester, you definitely need to be aware of the Power of being a Performance Tester. Though Performance Testing is under the umbrella of Software Testing, its different from functional testing in many ways. It becomes a more complex investigation exercise when you start focusing...

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