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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14
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5answers
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How do you calculate the number of virtual concurrent users to use in a load test given data on actual site traffic?

When working on performance testing, one of the problems I've faced is trying to translate real-world web application traffic to simulated traffic. A practical example is for an eCommerce site. ...
2
votes
2answers
138 views

Performance Testing tool for win & web applications

My team is looking for a performance testing tool that can work on both Win&Web application. Our application contains an SAP 3D Viewer inside. We are considering Borland Silk Perfomer & HP ...
1
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1answer
76 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
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3answers
90 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 ...
2
votes
2answers
334 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
560 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.
1
vote
2answers
380 views

Scripts in JMeter run successfully but doesn't do the required functionality on my application

I just started using JMeter. I recorded a test script successfully. Now that I replay my test scripts it doesn't do the required functionality that it was meant to do. More over the process i recorded ...
1
vote
1answer
53 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 ...
2
votes
2answers
11k 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 ...
1
vote
1answer
373 views

Different throughput per functionality in JMeter testplan

I am using JMeter to loadtest a webapplication. We are using realistic throughput values based on Google Analytics. Each functionality has to deal with a different throughput level (eg. some pages are ...
1
vote
1answer
175 views

Custom query string extraction for visual studio web test

I created a custom extraction for a query string. However, when I run the test, I receive the following error: Context parameter 'parameterName' not found in test context. Have you seen this error?
1
vote
1answer
921 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 ...
0
votes
1answer
363 views

How can I install 'ServerAgent' on the Application server to monitor its performance using Jmeter?

I am using jp@gc - PerfMon Metrics Collector Lister for this and as you know it requires 'ServerAgent' running on the connecting server. Step by step instruction would be very helpful. And also, if ...
2
votes
0answers
31 views

Passing a dynamically created query string for Salesforce application

I created a web performance test for a Salesforce workflow using visual studio. I created a custom extraction to retrieve a parameter from a query string. However, the request with the query string is ...
1
vote
1answer
261 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 ...
2
votes
3answers
5k views

Jmeter throws “org.apache.http.NoHttpResponseException”

We use Jmeter to do performance testing. I gave 10 threads(10 users) with ramp up time 60 secs, 4 out 10 users failing to logout getting org.apache.http.NoHttpResponseException: The target server ...
1
vote
1answer
163 views

Jmeter: Could anyone explain me detailed explanation of the following terms in Graph Results?

Jmeter: Could anyone explain me detailed explanation of the following terms in Graph Results? I have looped single user request for 100 time (i.e no of samples :100) for www.google.com and then i got ...
4
votes
1answer
2k views

load test terms: What are Transactions, request, TPS,throughput?

I am completely new in load testing and want to start analyzing results of a load test. I have searched the web completely and read many question in SO. My problem is that I need a reference for the ...
1
vote
1answer
30 views

java software quality in eclipse while developing

How can I increase the quality of code while developing itself. Is there nay tool available which will analyse my code and tell which part of code will create performance issue. I dont want different ...
0
votes
2answers
159 views

Performance Testing of data retrieval from backend

I am testing a Windows application which uses Sybase as the backend database. The data from the backend is retrieved through queries and displayed in the GUI. The database is located in the same PC ...
3
votes
2answers
81 views

Best way of generating workload for personal cloud storage

I'm currently working on a folder synchronization tool which synchronizes the content of a specific folder with a remote cloud storage provider. In order to test the robustness of the client, I need ...
2
votes
1answer
2k 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 ...
1
vote
2answers
441 views

Is it useful to include .js .css files etc in a performance test?

For an Angular based web application: Is it useful to include the requests to get javascript and css files? Knowing that the files will be stored in the browser cache after the first visit. I am ...
1
vote
1answer
47 views

Is there any tool to check Performace of the mobile web site on real mobile devices?

Could you please suggest a tool that can be used to measure performance of a web site on real Mobile devices like Android, iOS etc. ? Is there any tool that can be used on Mobile devices and on a ...
0
votes
1answer
305 views

Performance test IIS 8 response time very low, is there any configuration necessary?

I have been running performance tests on an asp.net mvc 4 application using visual studio 2012 ultimate, the response and the pages per second have been quite high at least when I ran the performance ...
6
votes
6answers
18k views

Tools to measuring page rendering time

I'm using Jmeter at my organization for performance testing. The application is a secured web portal that provides a lot of reports and documents to its user. A major issue that I've run into is ...
0
votes
3answers
719 views

How to manage to learn Selenium, Jmeter on your own so that you could use it to your best knowledge on your new automation role

I arrived UK this august and was looking for jobs here into functional testing, but i have been called for an role which has functional testing, automation testing(Selenium), Performance Testing(J ...
2
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2answers
154 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 ...
4
votes
2answers
1k views

Cloud Based Automation Testing with Selenium WebDriver - Java

I am beginner in selenium webdriver (java), and wanted to know whether selenium webdriver can be used in cloud based application testing or not, if yes how to setup it (Searched over the net but didn'...
2
votes
2answers
1k views

How to determine breaking point of my application when performance testing from jMeter

I am doing some performance testing with jMeter on my application. I've check marked Retrieve all Embedded Resources and Clear cache on each iteration. For the thread group I've got: Number of ...
1
vote
1answer
352 views

What is an optimal method to use Soap UI results to determine performance?

I'll preface this by saying I have never used Soap UI seriously until the past month, in the past I have done one off tests for a new web service app but never spent a lot of time with it. Now I'm ...
2
votes
5answers
358 views

Lightweight load & performance testing frameworks

Which lightweight load and/or performance testing frameworks could you recommend? some considerations: Configuration with not too much coding (some JS would be okay) command line + text editor (...
2
votes
1answer
232 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?
3
votes
5answers
463 views

Should I do performance testing of my web application having two instances behind a load balancer?

My organization recently created a Performance testing environment. Our primary goal of performance testing is to catch performance degradation with future releases of our application. In Production, ...
0
votes
3answers
173 views

Should environment for performance tests be isolated?

I've been tasked with arranging performance tests for a Web application to measure response time and memory consumption in different load scenarios. However, our current test environment is shared ...
2
votes
5answers
1k views

Learning resources for Performance Testing and LoadRunner

This question might be off-topic and/or Subjective but I am asking this question because I could not fine any suitable answers via Google. I am a Manual tester with knowledge of Java, SQL Server. ...
2
votes
2answers
123 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 ...
1
vote
2answers
2k views

Performance testing web application using Visual Studio Test Suite versus Loadrunner

How effective is Visual studio test suite than load runner? I would like to learn performance/load test a web application, but i got really confused to choose which tool to go for. Does the scope ...
0
votes
2answers
184 views

Jmeter doesn't make the request to Server

We are using Jmeter 2.11 for doing performance testing. We set up test with 1000 users with ramp up time as 4 hours. We expected the run will go for 8 hours. But server didn't get request after 3 ...
2
votes
3answers
5k views

Using Charles Proxy to test mobile app network

I would like to test the behavior of my app in case of slow network. Can Charles Proxy do it? please give me some guidance. Many thanks.
1
vote
1answer
86 views

Help need on writing use case for a enhanced logging implementation

I am writing a functional design for enhancing our existing application logging. Our Core application is built on C and we have a integration layer on top of that to talk with other third party ...
2
votes
1answer
196 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 ...
0
votes
2answers
231 views

Performance testing tool that can be automated and work on a java application deployed Google AppEngine?

I'm also battling with what performance testing tool to use for my application which would be deployed on Google AppEngine. I am familiar with Jmeter but I still can't figure out I can automate it to ...
1
vote
1answer
70 views

Scoring a performance test

We run performance tests in QA. They follow a familiar pattern. A multi-threaded client generates sends traffic to a server. The traffic pattern is configurable: it might be a constant number of ...
2
votes
2answers
2k 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 ...
5
votes
3answers
3k views

Load test with multiple credentials

Okay so I have created a very simple webtest. The purpose of this webtest is to attempt to login whilst simulating a few failing attempts. The webtest has the obvious credentials associated with it:- ...
3
votes
1answer
504 views

How to estimate “how many servers our company sould purchase for this web app” with load/performance testing?

this is a question I faced in an interview: A web app is going to go online and the manager want you to find out how many servers the company should purchase. We have one server(used by testers) and ...
1
vote
1answer
1k views

Are there any good tutorials on how to set up JMeter to load test a deployed ASP. NET web app?

I'm having trouble finding a decent tutorial on how to set up JMeter to load test a deployed ASP.NET web app? Does it have to run on localhost or can it be used to test a deployed app? I would like ...
6
votes
3answers
1k views

performance-testing systems on virtual machines that normally run on physical machines

My employer runs some of our systems on physical machines with attached hard drives. I am charged with performance-testing those systems. For cost reasons, I've been asked to test those systems ...
3
votes
3answers
2k views

JMeter Concurrent Users Count Practice

I have a web application which is working in production and there are 2000+ users of my application. Now I have to perform performance testing on the system so is there any idea how many concurrent ...