The Test Therapist

October 31, 2021

Forecasting Number of users in performance testing

How many users should be applied in our performance tests ? in a previous article we discussed some ways that may simplify the process of setting system SLA , so if we can say that we have now our SLA or simply what is the response time we are hoping to operate under , what […]
August 26, 2021

Running performance tests from the cloud , why?

Does it necessary , why , for what cost and limitations ,all these questions are valid and make totally sense. Let me first define what is meant by running performance tests from the cloud , in the simple form it is running performance test scripts from a rented virtual machine(s) from a cloud service provider […]
May 30, 2021

Performance Tuning – A Team Effort

Days ago, I was discussing the idea of performance tuning with a number of fellow testers and the discussion direction was heading mainly towards the responsibilities than the methodology. The main question was who is responsible for the performance tuning? I think we have to define what is performance tuning in the beginning, Performance tuning […]
March 15, 2021

Availability Testing | what , how and why?

A while ago , a colleague of mine was asking me about the availability test and my first answer was , do you mean soak/endurance test? , but I was wrong , both tests have something in common but they are totally different in the objective of the test. What is Availability Testing? As a […]
March 9, 2021

Software Testing : Being a specialized or do anything a tester can do

We all have or had been in this debate even inside ourselves , which is better do everything a software tester can do , and here I mean to do manual , automation , performance , security , and anything else may be related to software testing or being a specialized and here I mean […]
February 25, 2021

Don’t commit to a tool and start with POC

Which performance testing tool you’re going to use in your next project , each one of us has a favorite tool or a go to tool , one that always in your mind. But this is not the case always , we may have some limitations which affect which tool we should use , I […]
February 1, 2021

Unusual performance tests for unusual situations

Not all performance test types are famously equal , some types are used less often than others. That doesn’t mean of course that they are not important , they are and in some cases so important but unusual tests needs unusual situations. I am going to focus on the following performance test types , we […]
January 23, 2021

The hidden cost of slowness

There is always a debate about how important is the speed to the software industry. They say and I quote “if the customer/user is not complaining , there is no issue and we are fine”. I will try here to discuss this in a different way. what is the hidden cost you pay when your […]
November 2, 2020

How to Set your performance testing acceptance criteria

This is always a question for people who are doing performance testing (as a general term) for the first time and also those who don’t have a specific performance requirements. What numbers to compare to? what are the current response time means? is it good or bad? How to set an acceptance criteria? All the […]
June 21, 2020

What a performance test report saying about your system.

When evaluating a performance test report most of the times we are looking for the response time and specifically the Average response time. But if you take a deeper look , the performance test report elaborates more information. In this article I will use one of JMeter basic reports “Summary Report” as example to explain […]