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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2
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2answers
119 views

How do I compare the performance of two .toString() methods?

Say I want to compare the performance of Java's StringBuilder.toString() with new String(char[]) for strings from one to 3000 characters in length. I do know beforehand how long the resulting string ...
2
votes
1answer
220 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 ...
2
votes
3answers
72 views

What tools are recommended for end to end page load time testing (including ajax and styling elements)?

We are looking to measure the length of time it takes for certain key pathways to become 'usable' e.g. certain styling elements will have loaded in and some information ajaxed in on a page. Ideally ...
2
votes
1answer
102 views

Not able to login in site using JMeter

I tried a lot and tired now :( I need to Load test a Website. I have configured all things, specified all necessary extractor & expressions and try to login, but it is giving me Response code: ...
2
votes
2answers
218 views

How to test Web app for concurrency problems?

Recently we found a concurrency problem in our Web app. It came out that a class in a third-party library is not thread-safe and when it is shared between multiple threads, then access to it must be ...
2
votes
1answer
1k views

Use of Standard Deviation and Percentiles in performance testing

The following report is generated by Gatling (my favorite performance test tool). I am wondering how to make use of the standard deviation and percentile data that it produces. I am planning to use ...
2
votes
2answers
140 views

Where can I find good tutorials for Cloud Environment, Automated Testing in Cloud and Tools [closed]

I want to learn automation testing in cloud and I do not have knowledge or experience in cloud environment. I searched over the internet and found some blogs, steps, etc but I am not sure whether ...
2
votes
4answers
1k views

Why LR tool is not able to capture browser rendering time?

How can I capture the browser rendering time?
2
votes
2answers
104 views

Am I missing anything professionally in my jmeter plan?

I have been requested to perform load testing for website and after that decision to purchase new server will depends on me so I do not want to take any wrong decision or risk. Requirement: 1 - Put ...
2
votes
2answers
807 views

How to check latency time in Jmeter?

What settings do I need to use so I can check latency time in Jmeter?
2
votes
2answers
61 views

Can any one explain how the Jmeter listeners work

Jmeter has many Listeners. How do they work and how is different types of graphs and results generated.
2
votes
2answers
134 views

How to load test a very complex, security heavy application?

Testing can sometimes get tricky. Especially when the application is very complex. I am currently working on a project and I have no idea how to test this. I work a lot with CMS based websites and ...
2
votes
1answer
399 views

Jmeter Web driver sampler

Jmeter has a webdriver sampler. We have to write the scripts. We have scripts written in opkey, a selenium based tool. Can we integrate both of them. So that we don't have to write scripts in jmeter.
2
votes
1answer
1k views

How can I test load for a chat app built on node.js and socket.io?

Here is the link for a simple chat application with room concept which I'm referring to learn how to create socket.io applications - https://github.com/mcantelon/chatrooms . I need to test how much ...
2
votes
2answers
7k views

Performance testing - analysing results in Jmeter

I am using Jmeter (started using it a few days ago) as a tool to simulate a load of 300 threads using a csv data file that contains login credentials for 3 system users. This objective is to measure ...
2
votes
1answer
51 views

How do I test Aspects (AOP)?

I have recently written a bunch of aspects (using PostSharp in C#) that will be applied to methods in some high traffic sites. How should I make sure they are going to perform? Can anyone recommend ...
2
votes
1answer
114 views

Web application load testing

Anyone had experience with load testing tools like WAPT Pro? I want to know, when recording those load test script on a web application, shall i include those like Google Analytic tracking request? Or ...
2
votes
1answer
489 views

Performance testing tool suggestion for Node.js and ASP.NET

I am to carry out performance tests on Node.js and .NET. This is an academic exercise. I have searched on Google for performance testing tools, and I came across such tools as HP LoadRunner, and ...
2
votes
1answer
31 views

Detect USB bus failure on Win CE device from a separate PC

I am testing a device running Win CE that is having issues with the USB bus failing intermittently. Manually, it takes me hours to reproduce the bug so I'm trying to automate this process. So how do I ...
2
votes
2answers
270 views

Open source Projects for Performance/Load/Stress Testing

I am a Software Testing Enthusiast and i have mostly worked on Functional Testing(Manual). I am interested in performance testing and i have worked on a very small project where i used LoadRunner. I ...
2
votes
1answer
676 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 ...
1
vote
3answers
6k views

what is the concurrent users in load testing using Jmeter

in Jmeter, for a thread group, the number of thread users is 20, ramp-up period is 5s, the loop count is 10, so what is the concurrent users in this situation.
1
vote
7answers
642 views

Performance tool for scripting HTTP requests dynamically

I'm about to script performance tests for a system with REST interface. I'm looking for a performance tool that let me prepare XHR requests dynamically, i.e. simulate what JavaScript application does. ...
1
vote
4answers
367 views

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.
1
vote
4answers
48 views

In Jmeter, After Login, A graph is displayed apart from some menus

Here is the Scenario : When i login to the application, a graph is displayed with some main menus on the left side of the page. The graph takes some time to get displayed say 3 to 4 seconds but the ...
1
vote
3answers
1k views

How to use the If controller in the Jmeter

I want to check if title = google if yes then hit yahoo.com else do nothing could anyone please help with this. I am new to Jmeter.
1
vote
2answers
2k 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 ...
1
vote
3answers
43 views

How to do performance/load testing of a mobile App?

Is it useful to do separate load testing on a mobile App? I mean a mobile App is just a light weight client/viewer (like a browser) which internally calls some services/web API's. So, can we say load ...
1
vote
3answers
271 views

Does my CPU and RAM configuration affect my JMeter Performance test results

I am trying to generate 13000 users/threads in 1300 seconds (RAMP up time), it is getting stuck after say executing some 12000 threads and then I have to stop the test which fails the remaining ...
1
vote
3answers
87 views

Suggest me some tools for field to field & screen to screen testing of a web app

Can anyone suggest some effective tools used for field to field and screen to screen testing of web apps where we can calculate the time taken to one field to another and one screen to another ...
1
vote
1answer
49 views

Unresponsive scripts search

I am searching for tool or rules set for searching of unresponsive (or slow) scripts(I guess JS in most cases). Of course it could be browser dependend, coz some unresponsive script in firefox work ok ...
1
vote
2answers
1k views

JMeter - Unable to capture the request after click on download link

I am facing one of the problem in my application at the time of downloading a file. I am unable to capture the request after click on download link. So may be anybody can guide me how to capture these ...
1
vote
1answer
212 views

How to detect performance issues within native Android app

What tools or techniques can be used to performance/load test a native Android application? Are there any that can detect the root cause of performance issues and suggest a solution?
1
vote
2answers
385 views

Is my approach to performance testing in Linux environment correct?

I want to do performance testing in linux environment for a C++ application. I need to measure the CPU usage, Memory usage of the application. This application is a multi threaded application. In ...
1
vote
2answers
105 views

Setting up RAMP UP TIME and delay between requests in JMETER

If I set the number of threads to 50 and ramp up time to 750 - does it mean that 15 users will come on site every second? If yes then how can I set a delay between users? Because for requests I am ...
1
vote
5answers
666 views

Performance test open source tool for desktop applications

I am searching for open source applications to test the performance for a desktop application with multiple functions -like generating reports. I have used applications, but it is good and easy only ...
1
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1answer
78 views

How should I intrepret the JMeter result

Below is my result of Load test with JMeter. What my client is asking is, when should we consider up scaling of our system. How can you determine the bottlenecks in the below results. Also for 1000 ...
1
vote
1answer
674 views

While loop working in JMeter

I am working on an script which is using a while loop and I am not able to properly understand the behavior of while loop. like When does the condition become false...? From where does it takes ...
1
vote
2answers
380 views

Connect time(ms) in jmeter is coming out to be 0

I have a Jmeter plan which has couple of samples. While running only the first time the connec time is non-zero positive number otherwise it is coming out to be 0 for all the other samples the ...
1
vote
1answer
65 views

Web performance test does nothing

I'm trying to set up a web performance test in Visual Studio 2013 (the online tutorials seem targeted at earlier versions of VS). I right click in my solution explorer and select Add ... then Web ...
1
vote
1answer
179 views

redirect containing + is not being encoded properly by visual studio

I'm currently trying to create a performance test in Visual Studio 2013 for an older web application with numerous redirects. One of these redirects contains a url with a + in it. <h2>Object ...
1
vote
1answer
706 views

Sending in consecutive sets of users in jmeter

My question is similar to this one: Trying to simulate users logging in but staying idle However, there weren't really any suggestions on how to implement on jmeter. More specifically, this is the ...
1
vote
2answers
37 views

SmartBear WeloadUI doesn't stop

I'm new at WebloadUI and although seems to be an amazing tool, I'm having problems simulating concurrent users. I record the test using the methodology explained in the SmartBear documentation, I ...
1
vote
1answer
188 views

How to test latency and performance of application virtualization?

I have a solution where user can access desktop application in browser using application virtualization that is implemented with the help of ThinRDP. I would like to know, what is the latency of this ...
1
vote
1answer
427 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 ...
1
vote
3answers
247 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 ...
1
vote
1answer
255 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 ...
1
vote
1answer
17 views

Coded UI data driven Load test issue

I have Web Performance Test created in Coded UI 2013, this test uses a csv file for providing the Form Post-parameters value. Now, from this performance test I have created a Load Test with number of ...
1
vote
2answers
491 views

Issue with Reading CSV file when doing Distributed testing in Jmeter

I have a satisfactory test plan, that I have been using to test with from single load generation server to our application server which reads data from a CSV file. I have been been asked to setup and ...
1
vote
1answer
87 views

Load testing using JMeter with multiple concurrent users account

I am facing a problem with JMeter. Like if I am login with my account with Team (In my application one module is Team in which we have to fill some fields which are common for all users, I want to ...