Systems | Development | Analytics | API | Testing

April 2022

Deployment-time testing with Grafana k6 and Flagger

When it comes to building and deploying applications, one increasingly popular approach these days is to use microservices in Kubernetes. It provides an easy way to collaborate across organizational boundaries and is a great way to scale. However, it comes with many operational challenges. One big issue is that it’s difficult to test the microservices in real-life scenarios before letting production traffic reach them. But there are ways to get around it.

How We Create Load Tests For Our Customers In Loadero

Loadero is a SaaS (software as a service) for testing web applications and our main target is to provide a powerful tool to our users, so they can create load tests, performance tests, and WebRTC tests for their needs. But sometimes a proper tool is not enough to execute tests: some companies don’t have enough manpower, others might not have enough expertise in the QA field, yet testing is required for every web application.

Load Test Driven Development

We are going to explore whether Load Test Driven Development is an idea that would be worth pursuing for your organisation. We will recap on what Test-Driven Development (TDD) is in the next section but fundamentally Now when you think about this, does it make sense to try and run a performance test before we have developed any code? We think it does and we are going to explain why. For clarity we are not suggesting that Load test Driven Development should replace TDD but rather to compliment it.

End-to-end browser testing using xk6-browser, with Thomas Wikman (k6 Office Hours #51)

Have you ever wondered how to test a platform built for testing other products? Our frontend developer, Thomas Wikman, joins us on k6 Office Hours to talk about his experience being a user of one of our tools - xk6-browser - and how he uses it to test the entire k6 Cloud frontend.

What is CPU Utilization in Performance Testing?

CPU or Central Processing Unit is the brain of any computer and its main responsibility is processing all the tasks required by the running applications. CPU Utilization is a key metric in performance testing which measures the percentage of time the CPU spends executing a task. One of the most crucial tasks to do when running a performance test is to monitor the resource utilization.

Performance-Driven Development with k6 (k6 Office Hours #50)

You've probably heard about Test-Driven Development (TDD), but too often, TDD practices don't take performance into consideration. How can we do Performance-Driven Development to ensure performance outcomes from the very beginning? Join Paul Balogh and Leandro Melendez in a conversation about changing the way we code.
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Kubernetes Load Test Tutorial

In this blog post we use podtato-head to demonstrate how to load test kubernetes microservices and how Speedscale can help understand the relationships between them. No, that's not a typo, podtato-head is an example microservices app from the CNCF Technical Advisory Group for Application Delivery, along with instructions on how to deploy it in numerous different ways. There are more than 10 delivery examples, you will surely learn something by going through the project. We liked it so much we forked the repo to contribute our improvements.

Private load zones for load testing on the cloud

Have you ever wanted to load test an application behind a corporate firewall? If so, you probably ran into a few issues. Load testing on the cloud can be the most cost-effective way to run a load test, but not if the application isn't publicly accessible. Recently, we released a new feature for k6 Cloud that allows you to run load tests on your own private load zones. But first, does it really matter where load is generated from?

Postman Load Test Tutorial

In this load test tutorial, you’ll learn how to use Postman for small-scale API testing. You’ll also learn about some shortcomings and challenges of the framework that can be solved by using a tool like Speedscale. Because HTTP services don’t have a graphical user interface, you’re forced to test web APIs by simulating requests from a known client so that you can control the traffic data.

Building reliable systems with k6 Backend Lead Marko Pandurovic (k6 Office Hours #48)

k6 Backend Lead, Marko Pandurovic, talks to Nicole van der Hoeven and Paul Balogh about how we build reliable systems at k6 to cope with the growing pains of a SaaS platform, k6 Cloud. Marko manages one of two backend teams at k6, and has some ideas to share about how to improve and maintain k6 infrastructure.