Questions tagged [load-testing]
A load test is a type of performance test "focused on determining or validating performance characteristics of the product under test when subjected to workload models and load volumes anticipated during production operations". For issues relating to the setting up or running of load tests.
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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. ...
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Load Testing, Selenium Vs JMeter Vs other tools
I have been using Selenium/Webdriver for functional testing in a grid setup.
We are in the process of transitioning to a Solr based search service. I already have Solrmeter for load testing the ...
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Why is Visual Studio 2013 not willing to run my Web Performance / Load Test?
I am attempting to run a simple Web Performance Test that I recorded in Visual Studio 2013 Ultimate.
I click the 'Run Load Test' icon inside of VS, only to be greeted with the following error details:...
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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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JMeter: Getting error in non GUI mode
While trying to execute JMeter from the command line in non-GUI mode I'm getting errorlevel=2 error message.
What I did is,
Navigate to the JMeter bin directory in command prompt.
Run the command &...
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Looking for open source, Java-based tool for performance testing
Goal:
I have an enterprise application written in java to test for performance. I need to do it separately, so I will be basically simulating a user interaction over http/https.
My findings:
...
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How do I tune the probabilities in a Markov chain based load test to produce specific hit rates?
I am writing a load test for a web application. I have a few month's worth of access logs that tell me relative hit rates of various URLs. However, the access logs do not contain enough information ...
user246
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Can a proportionately scaled down testing environment find performance load issues?
At my company, we are working on ways to improve our testing of database changes, in our testing environment first.
Since there are no resources to have a production like volume of data in servers ...
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Load testing tools vs. making your own
I've never needed to work with commercial load running tools before, as our test infrastructure is pretty immature here and I've used internal tools in the past. We're working on a .NET technology ...
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Calculate peak concurrent users on a website
I am looking at setting up some website load testing scripts and need some help in finding a formula to estimate how many concurrent users are browsing a website at peak times, based on common metrics ...
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In load testing, what is a 1% test to assess demand?
This document from Google on designing for scale states:
In order to accurately assess demand, you can run a 1% test to determine how much traffic will flow to your new service.
Googling for 'What ...
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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.
My problem is that I need a reference for the answers to be sure about its correctness.
These are my question ...
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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 ...
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Maximum number of threads supported by JMeter
I want to do load test with 10000 users using JMeter. I want to know whether my system is capable of doing that.
My System Configuration :
RAM: 4 GB
Processor : Intel core 2 quad 2.50 GHz
OS: ...
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How do you stress test a video streaming app?
I have a a streaming application that I am going to test. I don't really know how to do this. Do I need a special plugin (if so, why)?
Why is it difficult to record a scenario for streaming a video, ...
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What is a cost-effective way to load test a web application using 1200 virtual users?
I need to run a UI load test against a web application with 1200 concurrent virtual users. I've looked at several products, and they seem to cost upwards of $1500 for a one month licence. I'm ...
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Getting a random line from a file with Jmeter
I know that jmeter has a CSV based controller, but this will just read the lines sequentially, one per thread/iteration.
I also know that you can use
__StringFromFile()
to read in a line from a ...
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Maximum Number of Threads in Jmeter
what is the maximum number of threads in JMeter from a single machine? I know there is a dependency for hardware configuration. I'm using this hardware configuration:
Command: #lscpu
Architecture: ...
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Websocket Load Testing
We have a Websocket server which I have to load test. The test case is as follows:
Maximum number of connections possible
Each connections should be sending 1 message/second
Tools I have tried:
...
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Performance testing with 100 users: how to read links from CSV file in JMeter?
I am using JMeter to do performance testing of a site.
I need to test various links of a site (no need to login) with 100 users and loop it for some number of times. I want to put those links in a ...
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Strategies for load testing in a Live or Dev Ops environment?
I am working on a strategy/plan to load and performance test a web-based application hosted in Azure. The application integrates with a couple of other hosted apps that we do not host (i.e. do not ...
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Is there load/stress testing software that can be used for Ajax calls?
I am trying to devise a strategy for load/stress testing our web application. JUnit/JCrawler and to a lesser degree Selenium Grid can be used for our HTTP request load/stress testing.
I have not ...
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Capture Provisioning time in Performance testing
I have a situation in my application where I need to wait and note the provisioning time of a Virtual Machine (The time taken when the order got accepted and the time it is available for usage).
How ...
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Load-Testing an SMS application
HELP! Any developers whom have ever created a service that interacts with people via SMS, how did you test you application for integrity under heavy load?
Im in the middle of helping the company I ...
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How to deserialize and correlate Binary Large Objects in Load Runner 11.5 Web Custom Request?
I'm working on a Silverlight based application. We've recorded the scripts using Load Runner 11.5 and while replaying to find dynamic values for correlation, we found out that the entire data in a ...
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How to stop thread in JMeter?
I need to stop a 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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Setting a Connection time out in Jmeter
I want to know how to set the Timeout in milliseconds for HTTP Samplers that are generated by using recording controller. Is there any way to configure this at one place, so that it will be applied to ...
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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 ...
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Load testing web service with SoapUI to confirm android app's slowness
The AUT is on Android platform, which has experienced slowness or long time loading a section's contents (more than 17s).
I can notice the app only has long time loading the first time I enter that ...
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Load / Performance testing tools or approach for backend
I work on a team which is basically all backend. Functional and unit testing is achieved by python or perl scripts or sometimes bash scripts. But if we need to load or performance test our ...
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Nothings gets recorded when using JMeter for load testing of Vaddin-based app
We have been trying to do a Quick Load test on one of the POC application developed in Vaddin using JMeter tool, the server is hosted on local network.
The settings for automating Vaddin application ...
Chandrakant
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Load testing only on stable code?
There's someone who oversees QA - let's call him Joe. During 2 years of development we haven't had real load tests. Now release is getting close and QA is responsible for preparing and executing load ...
user5985
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Are load testing results affected by location, e.g. India vs. USA
I am working on load testing in one of e-commerce websites mean while I came across one question i.e.,
I am doing the load testing from India. Whether it will be having any changes in results if I ...
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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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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:-
...
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What is recommended hardware infrastructure for running heavy JMeter load tests
We are testing extensive high loads on our Web Sites and Web Services. We use JMeter and other tools for this purpose.
Say for example: We have 5000 users/ second scenario.
These scenarios our local ...
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How to best design and create a load test on a web application?
I'm new to testing and have been asked to create a load test for a web application. My group's lead asked the test to just browse the application for hours with a load of 100 users. That's the only ...
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Difference between Scalability Testing And Capacity Testing?
Belongs to non-functional testing type. But I get confused between these 2 types of testing.
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Load/stress testing framework for AWS EC2 instances with startup/shutdown?
I'm looking for a tool/framework (preferably in Java if it involves coding) that allows me to load test a server. I need to be able to launch multiple EC2 instances, hit the server hard for a period ...
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Comparison of JMeter vs Visual Studio Load Test
My organization is currently planning to test the load capability of our web application (we live in a third-world country, of which testing practice is a very new thing here). In accommodating this ...
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How to check latency time in Jmeter?
What settings do I need to use so I can check latency time in Jmeter?
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Generate test data in which format
What is the best approach to make test data configurable ? Through XML file or properties file or any other way. But must not be hard coded.
What approach should be taken to run the same Test Suit ...
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Authentication and load testing using JMeter
Looking to get advice on how to approach load testing using JMeter. My question is more about best practices since I am totally new to this tool.
I am confortable working with samplers, view results ...
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How to use multiple Jmeter instances on a single machine
I want to use multiple JMeter instances from a single machine. Is it possible?
I know about distributed testing but I haven't required machines to do my load test. Actually, I need to run four ...
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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 ...
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How can I do performance testing on Cassandra database as a manual tester?
I need to send data on Cassandra DB and retrieve it back. I want to check how much time it will take to post data and retrieve it back.
We are not using Rest API's. There are methods(logic)only. Data ...
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JMeter graph interpretation
I'm very new at JMeter and am trying to get an idea of how to interpret the graphs below.
The test I performed used 1 thread group with 600 users ramped up ever 5 seconds. What concerns me is the ...
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HTTP request having an Edit action is giving an unauthorized error in JMeter Script
I recorded my scripts using JMeter proxy recorder. The JMeter scripts ran perfectly after I configured the Header Manager and the Authorization Manager. All the HTTP requests were responded perfectly. ...
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Load testing for free or cheap without having to setup Selenium Grid?
One of these days I need to setup Grid, but I don't have much time lately. My need is pretty simple: run concurrent find operations to load test our search service. I know there are things like ...
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How to determine 'reasonable' response times for performance testing?
I have found performance targets (how long web pages take to respond to actions) difficult to introduce into organizations.
There seem to be are no clear definitions (in the industry) that are ...
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