Author: PerfMatrix

JMeter – Save Responses to a file

Let’s consider, you run the script in the actual load test and often getting an error at a particular step. Now, you want to know the error message coming inside the response body to check what is the root cause of the error. One of the solutions is to add a ‘View Results Tree’ listener…
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Performance Testing – Important Acronyms/Extensions

List of some frequently used and important acronyms and extensions in the Performance Testing world. Important Acronyms in Performance Testing: Acronyms Full-Form API  Application Programming Interface AUT  Application Under Test CLI  Command Line Interface CR  Change Request DFD  Data Flow Diagram DNS  Domain Name Server EPT Early Performance Testing GUI  Graphical User Interface HLD  High-Level…
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Software Testing Improving Electrical Hardware Designs

When we think of performance testing and calculations, it is typically with regard to the performance of a given web application or software. We use performance testing processes to “validate the performance of an application under load”, and thereby determine what if any changes need to be made to optimise that performance and improve results. It’s an…
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JMeter – Passing Variable Value to another Thread Group

Under a Test Plan, you can add multiple Thread Groups. But these Thread Groups are independent of each other. The child elements of these Thread Groups have limited scope and do not share any information outside the Thread Group scope. Sometime in JMeter, there is a requirement of passing the value of the variable from…
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Regular Expression (RegEx) – Easy to learn

Regular Expression (RegEx) is a sequence of characters that define a search pattern. Each character in a regular expression is understood to be a metacharacter (with its special meaning), or a regular character (with its literal meaning). For example, if we define a regular expression r. where ‘r’ is a literal character which matches just ‘r’ and ‘.’ is…
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How does JMeter simulate a real browser?

Just to have a knowledge of how to record the script for an application and execute the test; should not be enough for a performance tester. As described in the previous article, performance testing should be realistic rather than just a simple test. To implement this concept, a performance tester should know how does a…
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