Performance testing is a subset of performance engineering, an emerging computer science practice which strives to build performance into the implementation, design and architecture of a system.

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Performance testing resources

Please share any good performance testing resources which you have come across in past or referred to while working or learning about performance testing.
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When should I start doing performance testing of a web-app?

Our company has started developing a new big web application. In a few months we testers will start integration testing, functional testing and regression testing both manual and automatic. I am ...
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2answers
246 views

Measuring test performance when there is high variance

I am running single purpose performance tests on a daily basis. Currently, I run each test 3 times and average them out. But I get fluctuations from day to day which make it difficult to detect ...
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1answer
3k views

Handling JSF ViewState errors using JMeter

I'm facing an issue while running a recorded test scenario of an application login using a single user on JMeter. I've used JMeter's proxy server to record all the requests of the login scenario. The ...
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2answers
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What are the most useful KPIs for tester

There are many KPI (Key Performance Indicators) suggested to measure the performance of software tester. My concern is what are the most useful/ efficiency KPIs for a tester?
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1answer
1k views

Passing a dynamically created query string between requests in web tests?

So we have the following type of a URL: http://www.myurl.com/mypage.aspx?suid=145db467-907e-4e3d-b944-c1666f9d08d6 This suid query string is generated dynamically and is unique to the specific ...
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1answer
120 views

Simulating a click in web performance tests

I am working with web-test in visual studio test system, without writing a code test, is there a way to invoke a click on a link/button/submit item? I am thinking of doing this by adding a request in ...
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685 views

Visual Studio 2010 Performance Testing Javascript not supported

Quite simply the question in the title, when I run test it by default runs it within my visual studio. This doesn't seem to support JavaScript which makes all my test's invalid. Is there anyway to ...
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1k views

What parameters to test in a performance/stress testing tool?

I'm about to develop a performance testing tool for a server side app and was thinking to measure the following things: Hardware status monitoring via SNMP, Statistics about response status and ...
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In performance testing, when have MFAT approaches been successfully applied (in addition to an OFAT approach)?

Background: MFAT = "Multiple Factors at a Time" OFAT = "One Factor at a Time" In the field of Design of Experiments, practitioners in a large variety of fields (including software testing) have ...
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1answer
291 views

Dynamic number of request parameters for web performance testing in Visual Studio

I need to change several requests parameters list to make it dynamic. The number of parameters can differ and depends on previous request responses. In JMeter it can be done just using the regular ...
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1answer
205 views

How to simulate low RAM on a machine?

On an old build there was a problem with one component that consumed a lot of RAM. As a result, another component started failing with a wrong error message. The first component has been fixed and ...
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3answers
221 views

Performance / Bottle Neck Monitoring Tool

I'm looking for a performance monitoring tool that is capable of generating different performance parameters for web-application(s). The tool should be able to detect bottle necks (if any) and should ...
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557 views

What Are Some Unobvious Differences Between Testing a Web Application and a Desktop Application?

In the same flavour of this question, what are some unobvious differences between testing a web application and a desktop application? I've recently started looking at automating some GUI tests for a ...
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2answers
2k views

Speed up launch of WebDriver Firefox Window

When WebDriver initializes, there is a long waiting time when a browser window launches before the actual automated test begins. How can I speed this up? Is there a way to have a browser window ...
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9answers
756 views

Performance testing - a way in?

We have an a browser based application that is built on the Microsoft Stack, specifically .NET 3.5. It also uses Ajax, iframes, jQuery etc. At the moment we are just guessing at the concurrency ...
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1answer
2k views

How to stop thread in JMeter?

I need to stop thread in JMeter when some condition is satisfied. How can i do this? I suppose there should be some method like Thread.Stop() or something like this but can't find concrete info.
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3answers
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Is my test a perf unit functional smoke test or something else?

Or how I learned to stop worrying and love the bomb. Each test is different. Some are big and talk to databases, others quick and self contained. We all know we'd prefer the fastest and most robust ...
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3answers
238 views

Should you preload DLL's in performance tests?

When running automated performance tests, is it better to preload any DLL's which would slow the first run of a test? This would improve the consistency of the test results but would not reflect the ...
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1answer
302 views

Unix Performance testing - training content

My company is involved with performing performance testing and now they want to perform couple of training related with executing those tests on the servers based on Unix systems. We will test ...
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2k views

What are the best tools available to test performance of a MVC web site

I am new to QA. I need to find best tools available to test performance of a MVC web site. Please help me.
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228 views

Visual studio web performance testing for invalid input

I am trying to test an input field to make sure it is behaving correctly with invalid input. But when I try to insert text with quotes and add a validation rule for it, the test fails. It seems that I ...