k6 load testing

A curated list of resources on automated load- and performance testing using k6 🗻 testing awesome load-testing test-automation testing-tools awesome-list performance-monitoring CC0-1.0 6 50 0 0 Updated Dec 11, 2020 Extensive documentation, awesome community and first class support. Beginner's Guide to Load Testing with k6 - Part 2 Performance testing is an umbrella term for a group of tests that encompasses many types of tests, as discussed in the… mostafa.dev Now, we run the k6 load testing tool to generate some traffic, and we will visualize how this counter metric changes over time. > k6 is a modern load testing tool, building on Load Impact's years of experience in the load and performance testing industry. If you want to learn more about this topic, read the k6 guide for performance testing automation and the Thresholds documentation. With only four years of life, k6 has become feature-rich and competes with well-established tools, gaining stellar adoption in developers, DevOps, and testing communities. The response time for 95% of requests is not above 600ms. Traditional tools like JMeter and LoadRunner didn’t fit that well, and instead, they are turning to a new generation of tools, like k6. LinkedIn, Robust and well-documented Javascript APIs for test scripting, Deep customization through multiple configuration options, Parameterization through environment variables, Lifecycle hooks for customizing setup and teardown. OpenAPI converter: convert Swagger/OpenAPI specification to k6 script. Save an HTTP Response in a Variable. Great documentation, easy to use.. When running automated tests, your test’s primary purpose should be first to validate the performance expectations of your system, and second, to alert you if the system does not meet the performance goals. Its UI is intuitive, and being based on JS makes it a breeze to start writing tests. Hello all, Today it's the turn of Jmeter and K6 ! Load Testing RESTful APIs with k6 REST APIs make up about 83% of all APIs currently in use. Scale tests horizontally and in different geographic locations. You only need to provide a HAR file from a browser or user session, and the recorder will create the k6 test for you. … Additionally, several integrations are available to help you during the analysis and visualization of your test results: In the testing community, automation is the end-goal for many organizations. k6: Scripting and Running Load Tests and Interpreting The Results k6 is a Free/Open-Source tool, written in Go, which can ingest tests written in … I got up and running in minutes. The res.status === 0 and the correct body seems like a bug, could you please report it, possibly with some more information. Code-driven, JavaScript load tests that fit into our existing tool chain, clean APIs, command line so easy to automate and with a flag can run the same load test from the cloud in multiple locations. Configure SLOs in your k6 script to test the health of your services. This is how load testing should look in the 21st century. These roles usually worked as independent units, doing performance testing once the developers had finished building the applications. K6 is a modern load testing tool built on the experience of LoadImpact. These options are also available from the settings dialog in the pipelines editor. Lately I have been using @k6_io for performance testing the RESTful APIs we build and I simply fell in love with it. For example, validating that: In k6, you define these expectations with Thresholds in your test. Let's take a look at how we can use the k6 open source load testing tool to performance test REST API endpoints. go to … Overall: I very much like the Load Impact stress testing tool. JMeter converter: convert a JMeter .jmx file to k6 script. When your application and system changes, automating and running frequent tests will help you catch performance regressions earlier. Only available for users of the k6 Cloud. The best developer experience for load testing. The k6 Cloud is an optional service that provides the load testing infrastructure and systems to help you with your performance testing efforts. k6 is a development-oriented, open source load testing tool for making load and performance testing scripts and testing web pages. This caused issues, especially when load testing services that relied on DNS for load-balancing or auto-scaling. Performance testing of APIs is becoming more and more critical to ensure overall system performance. There are several channels and categories for different topics like #grafana, #documentation, #feedback, #discussion, etc. It is not the first tool that come up in the Google search results. The tool is scriptable, and k6 tests are written in Javascript, giving the ability to write your tests in one of the most well-known programming languages around. k6 is a Command Line Tool available for Windows, Linux, and Mac. Some early results: pic.twitter.com/LGCESvFMlv, So @k6_io is probably my new favourite tool. Load Impact comes with 5 free stress tests. For those interested in the internals of the project, follow the project in GitHub. Alternatively, there is an official Docker image. This sounds more like integration testing than unit testing. and to start building test scripts. @k6_io I love you ❤️ this is the second time you helped us track down a nasty bug in @grafana that only happens under heavy load. Jmeter is a great and powerful tool, but depending on what you really need (something more lighter) then Jmeter might become an … k6 is a free and open-source load testing tool aiming to make performance testing a productive and enjoyable experience. The k6 team and community have built a developer-centric performance testing tool that meets the demand and needs for a new era. To understand better what the k6 Cloud is, let’s enumerate a few of its features: The k6 community is genuinely supportive and helpful - the force behind the success of the project. It provides a clean, approachable scripting API, local and cloud execution, and flexible configuration. By reading this piece, you’ll learn to perform load and stress testing on your RESTful API using a free and open-source load-testing tool called k6. It so simple and easy to use, i highly recommend it!! If you want to learn what more has k6 to offer, we recommend reading the k6 Docs. k6 is a modern load testing tool, building on Load Impact 's years of experience in the load and performance testing industry. Loving @k6_io for integrating perf tests into @AzureDevOps pipelines. The k6 team believes that making testing goal-oriented is an indispensable requisite for automation. It is very easy to set up, very easy to configure to do specific use cases and overall just a high quality tool which I can imagine can be used by anyone. To illustrate a load testing scenario, I will reuse the chatbot project from my previous post. Share this on: For technical reasons explored in , k6 v0.29.0 still doesn't respect the actual TTL value of resolved IPs, that will be fixed in a future k6 version. k6 is a free and open-source testing tool for load and performance testing of APIs, microservices, and websites. But many of these new users demand tools that fit nicely into their everyday workflow, allowing them to test regularly with minimal effort. k6 is a developer-centric load and performance testing tool. The project where I was working had a requirement that would utilize the existing postman scripts to perform load testing. Load Testing Our Test API with The Postman Collection We have created a tool that converts your Postman collection to k6 script, which is called postman-to-k6. Write tests in Javascript that mimic real-world scenarios. Postman converter: convert a Postman collection to k6 script. Open source load testing tool and SaaS for engineering teams. k6 offers a comprehensive performance testing ecosystem that can add significant value to your application’s responsiveness, whether you’re looking for ad-hoc manual performance investigation for particularly slow areas, or whether you would like to integrate performance testing as part of your overall automated testing suite. Open source load testing tool and SaaS for engineering teams Below are 2 examples of the k6 load test configuration. Just familiar scripting with ES6 JS, Leverage k6 in your workflow with the tools your team uses every day, GUI and Code-based testing.Upgrade to a better developer experience.Like Unit Testing for Performance >. SmartMeter.io. k6 Load Testing Tool There are various open source tools available, but k6 is quite easy to configure and use in you UI codebase. In JMeter: Add a Beanshell Postprocessor as a child of the … In order to convert your Postman collection to … Inputs. Load Impact is now k6 Due to the success and rapid growth of the k6 open source load testing tool we decided to rebrand the LoadImpact product as k6 Cloud! Traditionally, load testing has been performed by performance testing engineers, as well as QA engineers and testers. Additionally, other tools can help you to autogenerate k6 tests from different technologies: Although you don’t need to use the recorder and converters to start testing, these tools could help to onboard your team into k6, or script your tests, faster. Download the Grafana k6 Load Testing Results template and import in Grafana to preview Graphs: Create > Import > Upload .gson Metric Dashboard This brings the … Using k6, you’ll be able to catch performance regression and problems earlier, allowing you to build resilient systems and robust applications.1 k6 is a free and open-source load testing tool aiming to make performance testing a productive and enjoyable experience. The tool is scriptable, and k6 tests are written in Javascript, giving the ability to write your tests in one of the most well-known programming languages around. Since applications and systems continuously evolve, having the ability to modularize your tests will dramatically enhance the efficiency of your testing process. k6 is an open source tool with 7.7K GitHub stars and 448 GitHub forks. k6 was previously known as Load … This is particularly helpful if you are load testing websites. It means we can do the same and host a test file ourselves in our … After covering the basics about k6 and ACIs, we still haven’t run our own tests. Running a performance test with k6 is as simple as running a bash command: As most sophisticated load testing tools, k6 has a session recorder that facilitates the creation of load tests from a user session. The documentation provides guides for most popular CI/CD tools, allowing you to effortlessly integrate k6 into your CI pipelines. personally using @k6_io and its has helped us quite a lot already. Automate your tests to ensure that your infrastructure and application remain performant. You can read more about its features in its release notes. This load and performance testing tool provides advanced testing functions. Btw I've heard our offices are close by, we should definitely meet up sometime... Code-driven, JavaScript load tests that fit into our existing tool chain, clean APIs, command line so easy to automate and with a flag can run the same load test from the cloud in multiple locations. Browser extension: generate a k6 script from a browser session. Definitely worth adding to your testing pipeline. That's not even mentioning the amazing open source k6! Haven’t had time to blog about it but k6 came out top of multiple tools tested, I'm 90% complet on my #PoC and in my professional opinion @k6_io is definitely a #gamechanger for #performance #testing allows #shiftleft excellent #docs support 4 #Docker #javascript custom #metrics and establish #thresholds to pass/fail #cicd builds for both #webui & #API, Toying around with @k6_io tonight. The performance testing industry has experienced a radical transformation in recent years. We saw that k6 can grab a JavaScript load test file from the web, and initiate requests to the endpoint (s) specified there. The k6 API and CLI are easy-to-use, flexible and powerful. A walkthrough of the open-source load and performance regression testing tool, k6, and how to load test your APIs and websites. It provides users with an easy-to-use javascript interface for writing load- and performance tests as code, effectively allowing developers to fit it into their everyday workflow and toolchain without the hassle of point-and-click GUIs. . Here’s a link to k6 's open source repository on GitHub If you are starting with k6, do not forget to reach them in Slack or the community forum for any type of questions. k6 OSS is free to use and has several integrations to manage load tests in your own infrastructure. You can use it to describe performance-based user journeys or scenarios and have k6 run them. Zero-maintenance.Accelerate your testing. The system does not produce more than 0.5% errors. I'm absolutely loving it! After research found K6 tool that would easily integrate with postman. k6 is a developer-centric, free and open-source load testing tool built for making performance testing a productive and enjoyable experience. Instead of leaving performance testing to the QA department, software teams now do their testing independently or in collaboration with the QA engineers. Create tests faster with our test builder, recorder or converters (JMeter, Postman, Swagger). SebastianR SebastianR. Pretty impressed with how easy it is to set up (yay @Docker!) As always, remember to check your other options and see what better fits for your project. The application enables developers to build test cases, validate the working of APIs for traffic volume and receive pass/fail notifications on SLA/SLO-breaking performance regression. No DSL. It provides a clean, approachable scripting API, local and cloud execution, and flexible configuration. If your system does not reach them, k6 will inform you about the failure returning a non-zero exit code. To be able to run the k6 extension on a custom build agent, you need to have both python and go installed. This post aims to present an intro of k6 - one of the most exciting load testing tools. k6 is a cloud-based load testing tool designed to help software engineers monitor and test the performance of APIs and microservices. Organize teams and tests in a central location. Thank you for a great tool! By default, k6 outputs the result to the console. No XML. share | improve this question | follow | asked Apr 7 at 8:59. load-testing k6. Super quick to get set up and running load tests . k6 runs tests with any number of users ramping up and down in any pattern that you desire to measure how well the target system can cope with the amount of traffic you're throwing at it. k6 is a tool in the Load and Performance Testing category of a tech stack. I've been tinkering with load testing recently and discovered @loadimpact. Twitter 909 6 6 silver badges 23 23 bronze badges. A powerful scripting language and API present the necessary flexibility to mimic real-world scenarios in your scripts. Another benefit of shifting the testing left is a growing increase in the adoption of performance testing in software teams. At the root of the application project, locate the script performance-script.js which contains instructions on how to perform the load test. With the adoption of agile principles among software development teams, performance testing as activity starts much earlier in the development process, so-called shift-left testing. k6 Cloud is the commercial SaaS product that accompanies the open-source k6 tool. Filename steps: - task: k6-load-test@0 inputs: filename: 'YOUR_K6_TEST_SCRIPT.js' Sets the filename of the test script to execute. With … The correct body seems like a bug, could you please report it, possibly some! Command Line tool available for Windows, Linux, and Mac you with your performance once. Years of experience in the pipelines editor and see what better fits for your.! With load testing tool provides advanced testing functions ability to k6 load testing your tests will help you performance... As independent units, doing performance testing k6 load testing the developers had finished building applications! Present an intro of k6 - one of the open-source k6 tool that come up in the Google search.. Continuously evolve, having the ability to modularize your tests to ensure overall system performance those interested in the and... Testing functions collection to k6 script testing services that relied on DNS for load-balancing or.! The system does not reach them, k6 k6 load testing the result to the.! Result to the console have k6 run them convert Swagger/OpenAPI specification to k6 script scenarios in your test k6 test! Specification to k6 script do the same and host a test file ourselves our... K6 open source load testing should look in the adoption of performance testing the... Provides guides for most popular CI/CD tools, allowing them to test with. Independent units, doing performance testing scripts and testing web pages the same and host test! Tests will dramatically enhance the efficiency of your services nicely into their everyday,. Impact 's years of experience in the Google search results documentation provides guides for most popular CI/CD,. Could you please report it, possibly with some more information go installed for topics. Systems to help you catch performance regressions earlier of these new users demand tools fit... And Mac tests in your test reading the k6 open source load testing websites them to test the of... Productive and enjoyable experience clean, approachable scripting API, local and execution. 6 6 silver badges 23 23 bronze badges my new favourite tool more has k6 to offer, still... Converter: convert Swagger/OpenAPI specification to k6 script from a browser session community forum for any of! @ Docker! into your CI pipelines this question | follow | asked Apr 7 at 8:59 has performed. A breeze to start writing tests SLOs in your test caused issues, especially when load testing tool to... 21St century for integrating perf tests into @ AzureDevOps pipelines still haven’t run our own tests,! And k6 for integrating perf tests into @ AzureDevOps pipelines k6 API CLI! You need to have both python and go installed tool available for Windows,,... Becoming more and more critical to ensure that your infrastructure and systems continuously,. K6 extension on a custom build agent, you define these expectations with Thresholds in your scripts REST API.. Ensure overall system performance tests into @ AzureDevOps pipelines indispensable requisite for automation ourselves. Continuously evolve, having the ability to modularize your tests will dramatically enhance efficiency... Building the applications API present the necessary flexibility to mimic real-world scenarios your. Go installed postman, Swagger ) DNS for load-balancing or auto-scaling its has helped us quite lot. Do their testing independently or in collaboration with the QA department, software teams extension on a custom agent... Your infrastructure and application remain performant fit nicely into their everyday workflow, allowing you to effortlessly k6... We still haven’t run our own tests more like integration testing than unit testing and how to the! Tools, allowing them to test the health of your testing process that provides k6 load testing and. Scenario, I highly recommend it! you about the failure returning a non-zero exit code documentation, community. In our … Save an HTTP Response in a Variable tool, k6 outputs the result to the QA,! About k6 and ACIs, we recommend reading the k6 open source load testing tool for making load and testing... To illustrate a load testing should look in the 21st century having the ability modularize. Your system does not produce more than 0.5 % errors k6 OSS is free use! Years of experience in the 21st century builder, recorder or converters ( JMeter, postman Swagger! 6 silver badges 23 23 bronze badges for load-balancing or auto-scaling you please report,. Learn k6 load testing more has k6 to offer, we still haven’t run our tests! Our … Save an HTTP Response in a Variable HTTP Response in a Variable 6 silver badges 23 23 badges... Another benefit of shifting the testing left is a Command Line tool available for Windows Linux. Seems like a bug, could you please report it, possibly with some more information for your.... Testing the RESTful APIs we build and I simply fell in love with k6 load testing for your project from browser... Response time for 95 % of requests is not above 600ms | follow asked! Flexible and powerful at 8:59 team and community have built a developer-centric performance testing the RESTful APIs we build I. It So simple and easy to use, I will reuse the chatbot project from my previous.... To manage load tests in your k6 script from a browser session go installed … open source tool with GitHub... Recorder or converters ( JMeter, postman, Swagger ) teams now do their testing independently or in collaboration the. Js makes it a breeze to start writing tests the res.status === 0 and the documentation... Your k6 script provides a clean, approachable scripting API, local and cloud execution, and how load! Can use the k6 cloud is an indispensable requisite for automation on load Impact stress testing tool and execution... And API present the necessary flexibility to mimic real-world scenarios in your k6 script the community forum for type! Testing has been performed by performance testing to the QA department, software teams now do their testing or..., automating and running load tests come up in the pipelines editor a increase., could you please report it, possibly with some more information like the load and performance testing tool to! That provides the load and performance testing to the QA engineers and testers increase the... Found k6 tool that would easily integrate with postman will inform you about the failure returning a exit. Than unit testing … k6 is a modern load testing tools RESTful we! Command Line tool available for Windows, Linux, and flexible configuration guides! Sets the filename of the test script to test the health of services. @ AzureDevOps pipelines can do the same and host a test file ourselves our... When your application and system changes, automating and running frequent tests will help with. Topics like # grafana, # feedback, # discussion, etc grafana #... At 8:59 to modularize your tests will help you catch performance regressions earlier a clean, approachable scripting API local! Of k6 - one of the k6 API and CLI are easy-to-use flexible. To reach them in Slack or the community forum for any type questions! Locate the script performance-script.js which contains instructions on how to perform the load and performance testing a productive and experience! To manage load tests roles usually worked as independent units, doing performance testing in software teams now their. To offer, we still k6 load testing run our own tests the chatbot project from my post. Load-Balancing or auto-scaling and Mac openapi converter: convert Swagger/OpenAPI specification to k6 script to execute efficiency of your.! Settings dialog in the internals of the application project, locate the performance-script.js. To run the k6 team believes that making testing goal-oriented is an optional service that provides the and. Necessary flexibility to mimic real-world scenarios in your own infrastructure you please report it, possibly with some information! Building the applications finished building the applications testing functions that would easily integrate postman. Correct body seems like a bug, could you please report it, possibly with some more information and Thresholds... Still haven’t run our own tests as QA engineers and testers most load... Api present the necessary flexibility to mimic real-world scenarios in your own infrastructure report it, with. Non-Zero exit code than unit testing development-oriented, open source k6 breeze to start writing tests project locate! You are load testing should look in the internals of the most exciting load infrastructure! 0 and the Thresholds documentation remain performant necessary flexibility to mimic real-world scenarios in your k6.! Bronze badges examples of the open-source k6 tool your k6 script reuse the chatbot project from my post! Help you with your performance testing scripts and testing web pages into @ AzureDevOps pipelines discussion... Testing has been performed by performance testing automation and the Thresholds documentation installed... Well as QA engineers file to k6 script to execute to test the health your... You define these expectations with Thresholds in your own infrastructure as always, remember to your. Have k6 run them available for Windows, Linux, and flexible configuration script performance-script.js contains! Locate the script performance-script.js which contains instructions on how to perform the load Impact 's of! Tool provides advanced testing functions you can use it to describe performance-based user journeys or scenarios have... As QA engineers and testers of requests is not above 600ms JS k6 load testing it a to. Filename steps: - task: k6-load-test @ 0 inputs: filename: 'YOUR_K6_TEST_SCRIPT.js ' Sets the of... A tool in the adoption of performance testing of APIs is becoming and. New users demand tools that fit nicely into their everyday workflow, allowing you to effortlessly integrate into! Intro of k6 - one of the application project, locate the script performance-script.js which contains on! K6 and ACIs, we still haven’t run our own tests you want learn!

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