10 votes
Accepted

Can a proportionately scaled down testing environment find performance load issues?

Does this actually catch, before production, many of the "surprise" problems we might anticipate? Or is there a more fundamental flaw in the approach that will cause deleterious changes to pass ...
Joe Strazzere's user avatar
10 votes

Can a proportionately scaled down testing environment find performance load issues?

No. The items you mention scale very differently and there are far too many factors and resources that will get used. For instance if I time requests on a local server using an application I'll find ...
Michael Durrant's user avatar
10 votes

Is applying the Ramp up period mandatory while doing load testing with huge load?

You have 1 Master and 2 Slaves. The total load being generated is 500 + 500 = 1000. Since you mention that the server health is good during the test execution. Yet, you are getting an Internal ...
IAmMilinPatel's user avatar
10 votes

Is it possible to do load testing of java swing application with Jmeter?

From Apache JMeter's website we get this, Ability to load and performance test many different server/protocol types: Web - HTTP, HTTPS SOAP / REST FTP Database via JDBC LDAP Message-oriented ...
IAmMilinPatel's user avatar
9 votes
Accepted

Useful resources to start to learn Gatling

I learn Gatling using the resources I found online and experimentation. Just google "Gatling tutorial", there are plenty of links to pages showing Gatling basics, many focus on different aspects so it'...
Nitin Rastogi's user avatar
7 votes
Accepted

Maximum Number of Threads in Jmeter

This does not only depend on the CPU of the computer, but also the operating system, memory and maybe disk IO speeds. There is only one way to find out and that is to try and ramp up until either the ...
Niels van Reijmersdal's user avatar
7 votes
Accepted

In load testing, what is a 1% test to assess demand?

You're taking the words out of context: You should test at the maximum load that you expect to encounter. In order to accurately assess demand, you can run a 1% test to determine how much traffic ...
Dmitri T's user avatar
  • 13.5k
6 votes

Difference between Scalability Testing And Capacity Testing?

A web search of the terms resulted in, Scalability Testing, is the testing of a software application to measure its capability to scale up or scale out in terms of any of its non-functional ...
IAmMilinPatel's user avatar
6 votes
Accepted

What is a cost-effective way to load test a web application using 1200 virtual users?

Here you check. There are 58 (and counting) free and open source load testing tools which you can utilize. If you are looking for the narrowed-down list check out Open Source Load Testing Tools: ...
Dmitri T's user avatar
  • 13.5k
6 votes
Accepted

Load/stress testing framework for AWS EC2 instances with startup/shutdown?

Before anything, I would recommend you to think about an important point: What is the main purpose behind your test? Try to define your SLO/SLIs first (KPIs). For example if the KPI is "...
masood ghz's user avatar
6 votes

How to enforce run Once Only Controller in Jmeter

As per Once Only Controller documentation: The Once Only Logic Controller tells JMeter to process the controller(s) inside it only once per Thread, and pass over any requests under it during ...
Dmitri T's user avatar
  • 13.5k
5 votes

How to click a button from multiple buttons on same page in selenium web driver?

Why your attempts failed: your first attempt: WebElement button = driver.findElements(By.cssSelector("button[@class='button' and @type = 'button' and @onclick = 'shippingMethod.save()']")).get(3); ...
alecxe's user avatar
  • 11.4k
4 votes

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

Artillery is a load-testing tool with native Socket.io support out of the box (and is written in Node.js too). Why is native Socket.io support important? WebSocket is only one of the underlying ...
Hassy Veldstra's user avatar
4 votes
Accepted

How to use multiple Jmeter instances on a single machine

I don't know why you need to run multiple instances of Jmeter from single machine. But Yes, you can run multiple instances of JMeter from single machine without any major issue, the only limitation ...
Dhiman's user avatar
  • 4,580
4 votes
Accepted

Jmeter: Constant throughput Timer with Ultimate Thread Group

As far as I know, it doesn't matter which type of Thread group you are using with Constant Throughput timer, at the end of the test in the results, you will get your desired Throughput which you ...
Dhiman's user avatar
  • 4,580
4 votes
Accepted

How can I do performance testing of Mobile Application?

Performance testing doesn't only mean many users hitting the same thing at the same time. There are various aspects of performance testing which you can opt to do manually. As you said you have to ...
IAmMilinPatel's user avatar
4 votes

What is a cost-effective way to load test a web application using 1200 virtual users?

Have you considered Jmeter? it is completely free for the tool itself and can allow you to craft good solid scripts, I won't advise on what type of hardware you will need because I do not know what ...
symon's user avatar
  • 934
4 votes

Strategies for load testing in a Live or Dev Ops environment?

A few suggestions: If you can mock or fake the responses of the integrated apps, you could avoid the need to test live. It does require more work to set this up, but you then have a non-production ...
Kate Paulk's user avatar
  • 31.5k
4 votes

How to enforce run Once Only Controller in Jmeter

Please use setupThread group to prepare the test environment say test data configuration or like wise that needs to be executed only once before the testing actually begins. https://www.blazemeter....
Swetha's user avatar
  • 41
3 votes

Maximum Number of Threads in Jmeter

How many threads you will get depends on the resources consumed by each thread, both on the JMeter host and on the system under test. This is turn is dependent on the content of your test plan ...
Bharat Mane's user avatar
  • 6,775
3 votes

Can a proportionately scaled down testing environment find performance load issues?

Test environment will NOT scale proportionally. But what you can do is: make test environment as similar to PROD as you possibly can (with possibly less servers, that's what we do: have about half ...
Peter M. - stands for Monica's user avatar
3 votes

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

Is there a load testing of a mobile app? Short answer: Yes there is. Long answer: Well you can test the performance of your app on the device. You can test, How much memory it occupies? How much ...
IAmMilinPatel's user avatar
3 votes

Performance testing - analysing Graph results in Jmeter

The Throughput: is the number of requests per unit of time (seconds, minutes, hours) that are sent to your server during the test. The Response time: is the elapsed time from the moment when a given ...
Jahan's user avatar
  • 453
3 votes

Performance / Load Testing: Where can I start?

I can suggest "JMeter" as the tool for performance testing of cloud based applications. It can record and playback the tests. You can set the number of threads i.e. users and many other things. You ...
The_Amol's user avatar
  • 188
3 votes

JMeter: How can I keep 1000 or "X" users login requests session alive using JMeter?

Although Constant Throughput Timer accepts value in Requests/min and you are saying that you will use 120/sec, so you will have to provide a value of 7200 in Constant Throughput Timer to achieve 120/...
Dhiman's user avatar
  • 4,580
3 votes

How can I do performance testing of Mobile Application?

Normally performance testing of mobile application is not required as mobile applications have only one user and if you're happy with application load time, responsiveness, rendering times, etc. - you ...
Dmitri T's user avatar
  • 13.5k
3 votes

How to do a performance/load tests on a scaled down environment?

The sorts of problems you're looking for in a performance test have to do with load, locks, bandwidth usage, response time, and so on. And they don't scale in either direction. You will find ...
Kevin McKenzie's user avatar
3 votes
Accepted

How to do a performance/load tests on a scaled down environment?

It is obvious that you won't be able to produce high loads on a scaled down environment, however there are few things you still can check: Memory leaks. If your application has unclosed streams, ...
Dmitri T's user avatar
  • 13.5k
3 votes

Why application under test become down and restarts on its own during performance testing

Load-testing without monitoring is worthless. Load-testing is about finding bottlenecks in your infrastructure. So you NEED to monitor your infrastructure closely while doing a load-test. There could ...
Niels van Reijmersdal's user avatar

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