7 votes

Difference in 1 user doing 1000 iterations and 1000 users doing 1 iteration in Load testing

1 user doing 1000 iterations is not load testing assuming the user only does one at a time. However 1000 users doing one iteration concurrently is load testing
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5 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 "...
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4 votes

Websocket Load Testing

There is a newer plugin for JMeter which is fully RFC 6455 compliant and allows re-using same TCP session for multiple duplex requests. JMeter WebSocket Sampler by Maciej Zaleski - download from ...
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  • 12.5k
4 votes

Login Via Jmeter for ASP page does not work

JMeter's built-in script recorder tends to create problems with the test scripts when the URL is SSL encrypted (HTTPS). This may be because JMeter uses proxy when recording the scripts and while ...
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3 votes

JMeter virtual user limits?

JMeter doesn't have limit of virtual users it can simulate, the number of virtual users you can mimic depends on several factors, to wit: Nature of your test (number of requests, request size, ...
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  • 12.5k
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 ...
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  • 453
3 votes

How do you stress test a video streaming app?

I believe that you can start with How to Load Test HTTP Live Media Streaming (HLS) with JMeter guide followed by what dzieciou suggests if there still will be open questions.
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  • 12.5k
2 votes

CSVs and JMeter: using variables from a line in multiple samplers

Alright, I feel dumb. Apparently I was wrong about the user and pass working. That was also sending EOF, but that part wasn't failing. I found the answer here to be very helpful. I believe I had the ...
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  • 141
2 votes

CSVs and JMeter: using variables from a line in multiple samplers

In regards to placement, you need to provide enough iterations to CSV Data Set Config so it could go for 2nd and further lines. So it makes sense to put CSV Data Set Config as a child of a Thread ...
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  • 12.5k
2 votes

Calculating Average Load from Peak load and vice versa

I believe that peak load follows general Pareto principle, at least basing on my experience during "peak" periods application served 80% of requests during 1-2 hours time frame and remaining 20% of ...
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  • 12.5k
2 votes

Performance test open source tool for desktop applications

Performance Testing of Desktop applications is oxymoron. Desktop application is used by one, at most two persons at a time. So if generating a report takes 5 seconds it will take 5 seconds no matter ...
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  • 12.5k
2 votes

Performance testing - analysing Graph results in Jmeter

I am not so well versed in Jmeter, but I once studied it for few months. Here are some of the good links I can recommend for interpreting Jmeter results. Link 1 - check Andrew Monkhouse's answer. He ...
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  • 3,520
2 votes
Accepted

How to determine no. of simultaneous users from JMeter load test results

You found the right plugin, mind the Active word in its name. For instance, on below image there are 101 alive threads as per green rectangle in upper-right corner, but only one active thread is ...
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  • 12.5k
2 votes

Websocket Load Testing

What can I see from your code is that at least you generate 600 native JVM thread to simulate 300 connections only which is a small number, I also doubt that the library you are using ...
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  • 121
2 votes

Android - Monkey throttling not working as specified

I had faced the same issue. What I was using: ./adb shell monkey -p your.company.name -v 50 --throttle 1000 Correct syntax: ./adb shell monkey -p your.company.name --throttle 1000 -v 50 According ...
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2 votes

(stress) testing tool for ASP.net/C#

You can choose any of the tools listed i.e. here. When it comes to web applications load testing it doesn't matter which tool you will choose, web applications normally return HTML pages therefore ...
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  • 12.5k
2 votes

How can i simulate a load for downloading a file for 500 users?

Using Selenium for just downloading a file is a little bit overkill as normally people go for Selenium and JMeter integration via WebDriver Sampler to test client-side performance while the system is ...
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  • 12.5k
2 votes

Difference in 1 user doing 1000 iterations and 1000 users doing 1 iteration in Load testing

That depends on what you are testing. assuming you want to test a servers ability to serve static webpages to different users, having only one user would make no sense. The first iteration might give ...
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2 votes

Difference in 1 user doing 1000 iterations and 1000 users doing 1 iteration in Load testing

In most cases, whether LoadRunner is simulating 1 user and having them do 1k actions at the same time or 1k users and having them do just 1 thing, won’t make a difference. Because generally the ...
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  • 231
2 votes

Difference in 1 user doing 1000 iterations and 1000 users doing 1 iteration in Load testing

Let’s say that the action under test takes one second. Then one user doing that 1k times would spread out the test over 1k seconds. 1k users doing it once would try and the same work in one second ...
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2 votes

Performance test kafka consumer/producer

If the component you've developed is consuming, processing and emitting messages than it is both Kafka consumer and producer. If you want to test your component in isolation, i.e., measure the time ...
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  • 10.2k
1 vote

How to load test MongoDB using JMeter?

Just add the next line to user.properties file (lives in the "bin" folder of your JMeter installation) not_in_menu= This way you will get "deprecated" elements including MongoDB Source Config and ...
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  • 12.5k
1 vote
Accepted

What are the entry and exit criteria in performance testing?

It simplifies to knowing what you want to measure and knowing how to determine when you have measured it. Entry criteria include: Knowing what sort of performance you are looking at. Eg maximum load,...
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  • 1,453
1 vote

What are the entry and exit criteria in performance testing?

Ask clarification questions, and lead the other side to give you an answer. It's always a good advice, but especially true for interview questions. Let's use your question as an example- How do ...
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  • 6,937
1 vote

(stress) testing tool for ASP.net/C#

Your question is a bit broad, but I will try to give you some hints and direction. There are some performance and load testing tools to automate stress testing of a website. Microsoft included ...
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1 vote
Accepted

Is there a term called Stair-Step Performance Testing?

I think the name comes from the resulting graph over-time, which is called a stairstep graph. I don't think it is official, but more some terms added together which seemed logical. The step load ...
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1 vote

Login Via Jmeter for ASP page does not work

Looking into the provided images I'm not very surprised to see your login attempt failing. Your first screenshot shows that you're using login POST method as a very first request Your third ...
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  • 12.5k
1 vote

Limits of load tests from one machine / small controller-agent network

The number of virtual users (VUs) that one computer can handle depends on the complexity and duration of the individual test cases. Many factors contribute to the complexity, including: number of ...
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  • 1,453
1 vote

Performance test open source tool for desktop applications

Depends a bit of what performance indicators you'd like to measure. E.g. when testing timing, you may want to set certain indicators where to start the action (e.g. click a button) and when the ...
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1 vote

Stress and Load Testing using Selenium-like tool

Apache JMeter is designed for load testing and it provides Selenium support via WebDriver Sampler The WebDriver Sampler uses JavaScript language for tests definition so minimal refactoring will be ...
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  • 12.5k

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