50 VUs try to run as many iterations as possible for 30 seconds. A k6 test relies on a script defined in JavaScript using the k6 library. Generating UUIDs. Correlate load test results and server-side data to gain full context for troubleshooting performance issues — without switching platforms. Mar 2, 2021 · Let’s combine all the knowledge you’ve learned and build a simple load-testing script. qa-k6. But it’s simplicity and ability to export data to This script will execute your test locally and send the log output to Loki. The browser module brings browser automation and end-to-end testing to k6 while supporting core k6 features. Waiting Strategies for Test Steps in Web Test Automation. For details about the runtime, refer to the Test lifecycle. setup is called at the beginning of the test, after the init stage but before the VU stage. You switched accounts on another tab or window. Load testing for engineering teams. After testing various endpoints in isolation, you may start to move towards tests that emulate user behavior or that request the endpoints in a logical order. How to build a test case in k6. May 6, 2021 · k6: When Unit Tests Meet Load Testing In this post, you’ve learned how to get started with load testing using k6. Instrument and collect telemetry data. 49. testing real user flows on the frontend while generating a higher load in the backend; measuring backend and frontend performance in the same test execution; increased collaboration between backend and frontend teams since the same tool can be used; To run a browser-level and protocol-level test concurrently, you can use scenarios. 2. Scripts developed using JavaScript on any text platform. 5K. After 30 seconds, k6 starts the news scenario. Due to the k6 open source load testing tool's success and rapid growth, we decided to rebrand LoadImpact as k6. The output can be streamed to a service, written to a file, or both. By default, at the end of each load test, k6 prints a summary report with an overview of the test results to the standard output. Using k6 extensions. Before we can use it, we first have to create an instance of the client. The imported modules are downloaded and executed at runtime, making it extremely important to make sure you trust the code before including it in a test script. Create a new JavaScript file called k6-websocket-script. Download the k6 binary. The gRPC module is a separate package, available from your test script as k6/net/grpc. Developers use k6 to test a system's performance under a particular load to catch performance regressions or errors. Using a Apr 19, 2020 · In order to demonstrate the power of the k6 load testing tool in different scenarios, we have created our test API with various example endpoints, which is available at test-api. Scale the load of your test beyond what a single machine can handle. Before interacting with a gRPC service, k6 needs to learn the definitions of the messages and services. Jan 30, 2024 · In this process, load testing suites grow over time. 6 seconds to complete. Choices For a fully managed solution, Grafana Cloud k6 is our commercial product to store, view, scale, and manage your tests with ease. Run local tests . Scripting examples on how to execute a load test that will upload a file to the System Under Test(SUT). Obviously, a request with a single VU shouldn’t overload the site (at least, we hope so). To run k6 with extensions in Docker, create a Docker image that includes the k6 binary with any extension you may want to use. Aug 30, 2018 · The resulting little Python app actually implements a feature that, at the time of writing, you cannot get anywhere else: the ability to dynamically alter the load level of a running load test! This lets you do "exploratory" load testing with k6, where you start your load test at some fixed load level and then adjust the load up or down during Nicole van der Hoeven discusses the basics of load testing with k6 and Grafana in 20 minutes, including a demo of how to get started with k6 and how to integ To stop a k6 test, learn how to use the abortOnFail threshold option or integrate with the k6 CLI or Grafana Cloud k6. Create tests faster Get started with the easy-to-use, well-documented APIs and CLI and a familiar scripting language, JavaScript. We have a generous forever-free tier and plans for every use case. Average-load testing helps understand whether a system meets performance goals on a typical day (commonplace load). Instantiating the client, as well as the . This can be useful when you have fixed sets of test data that you want to partition between VUs. Jan 30, 2024 · Here is a test script using the open source load testing tool Grafana k6: JavaScript Copy import http from 'k6/http'; import { check, sleep } from 'k6'; export const options = { vus: 3, // Key for Smoke test. k6 load-test scripts are written in pure JavaScript. Now that we've run our k6 tests, you may have noted that we append a label tag label. 50 VUs each try to run 100 iterations in one minute. Add the following import statement at the top of the file. Our test used Grafana dashboards heavily to monitor the relevant components. Performance testing is an important part of getting your application production ready. Init context Before the k6 starts the test logic, code in the init context prepares the script. Query logs using Grafana. The official Grafana k6 Docker image includes the k6 release binary but lacks additional k6 extensions. Starting on k6 v0. Cloud steps: - task: k6-load-test@0 inputs: cloud: true Enables execution in the k6 cloud. Along with startTime, duration, and maxDuration, note the different test logic for each scenario. We’ll begin by creating a suite of tests to evaluate different parts of the service we deployed earlier. Distributed Load Testing With K6 - Setting up distributed execution with k6-operator and Argo workflows. k6 takes load testing to a whole another level by letting developers write their own load test scripts in JavaScript. directly in the global scope. K6 is an open-source load testing tool developed by Grafana labs that is built to make to simplify performance testing. Thus, you can choose the structure and frontend that fits your workflow. Oct 18, 2020 · Whilst K6 is running the load test, it will stream statistics about the run to InfluxDB. In this example, we had one VU that took 0. Next, set the options to be used for testing. With these example snippets, you’ll run the test with your machine’s resources. Your choice of executor determines how k6 models load. Extend the JavaScript APIs available to your test scripts. Dec 27, 2021 · k6 is an open-source load and performance testing tool. This example covers the usage of different k6 APIs for API CRUD operations testing. Jun 17, 2019 · Learn how to use k6, a FOSS tool for load testing, to test your API or website under different scenarios and metrics. For example: Mar 27, 2023 · Para lanzar los scripts que veremos a continuación tendrás que guardar el código en un archivo con extensión . JavaScript API The list of k6 modules natively supported in your k6 scripts. Import. For simplicity Jan 30, 2024 · While protocol-based load testing may seem to lend itself better to component testing, you can also do end-to-end website testing with protocol-level scripts. Start small. Aug 10, 2023 · In parallel, k6 classifies and aggregates the data to generate an end-of-test summary. Grafana k6 is a modern load-testing tool. You can call the full k6 API in the setup and teardown stages, unlike the init stage. It is not the first tool that come up in the Google search results. OpenTelemetry. Load testing with k6 and k8s - The Toucan DevOps team explains why they chose k6 as their load testing tool and how they deploy it on k8s. Plugins. Data Uploads. k6 คือเครื่องมือที่ช่วยให้เราสามารถทำ load testing ได้อย่างสนุกสนาน โดยสิ่งที่น่าสนใจของมันก็คือเราสามารถเขียน script ด้วย JavaScript ES2015/ES6 แถมยังใช้ local/remote modules Beyond load testing Community extensions open new options to test infrastructure's performance: SQL, Browser, Kafka, Kubernetes, Chaos, MQTT, and more. Apr 4, 2024 · Introduction. Note. With k6 extensions, you can create custom k6 binaries to support your specific reliability-testing needs. In this webinar, Developer Advocate Nicole van der Hoeven will give an overview of k6, a load testing platform for modern engineering Aug 17, 2023 · A Comprehensive Guide to Load Testing APIs with k6, Grafana, and WireMock. Using k6 for load testing. We equip you with the skills to harness the potential of the K6 Command Line Interface (CLI), and even explore the offerings of Grafana Cloud k6 for a well-rounded learning experience. Scripting examples on how to use OAuth authentication in your load test. This property is relative to the workspace directory. Sample protocol-based test script. teardown is called at the end of a test, after the VU stage (default function). Next steps Apr 3, 2020 · ในบรรดาเครื่องมือ Load Test ที่เรารู้จักกันคงหนีไม่พ้น ab (ApacheBench) และ Apache jMeter โพสต์นี้จะมาแนะนำอีกตัวหนึ่ง ที่ Developer น่าจะชอบเลย ชื่อว่า k6 ครับ Performance Testing, Load Testing Performance & load testing. As k6 generates load for your test, it also makes metrics that measure the performance of the system. Connect Grafana to data sources, apps, and more. Kubernetes clusters are designed for reliability and a degree of “self-healing,” including scaling horizontally with more pods running in parallel, to handle sudden bursts of demand. Now I’m able to test real user flows while using the same load testing tool to generate multiple users. For example: Sep 29, 2020 · k6 is a free and open-source load testing tool aiming to make performance testing a productive and enjoyable experience. Currently, k6 supports two ways to extend its native functionality: JavaScript extensions. While load testing is done most commonly via HTTP requests, more advanced tools like Speedscale and k6 will also work with other protocols like gRPC. Interact with real browsers and collect frontend metrics as part of your k6 tests. Enhances Visual Studio Code with the ability to run k6 tests both on your local machine and in the k6 cloud. Run a smoke test to check that your script can handle a minimal load. import ws from 'k6/ws'; import { check } from 'k6'; Options. These endpoints are available in the Postman collection (and, for context, the k6 mascot is a crocodile): Apr 4, 2022 · K6 returns stats about the load test, including how many requests were sent and how long it took to perform the requests. Run local tests. Remote HTTP(S) modules. Ramp the number of requests up and down as the test runs. The following example schedules 10 VUs to execute 20 iterations each. Use TypeScript in k6 scripts. At the beginning of the test, k6 starts the contacts scenario. For more information. This tutorial covers the basics of k6, how to write scripts, execute tests on local and cloud environments, and integrate with CI/CD pipelines. k6 makes it fun. Kita dapat menganalisis data ini untuk mengidentifikasi bottlenecks dan memperbaikinya. It includes aggregated values for all built-in and configurable metrics and settings, thresholds, groups, and checks. Jul 3, 2023 · How does k6 load testing work? k6 load testing works by simulating virtual users (VUs) that interact with your web application or API. Function Description open( filePath, [mode] ) Opens a file and reads all the contents into memory. 0, k6 supports unary gRPC requests and streaming as part of the k6/net/grpc core module. k6 belongs to the latter group. Jan 30, 2024 · Stress testing in k6. Formerly, the idea of Swagger/OpenAPI load testing was taken less seriously by the developer community. 1 in pure Go, K6 can execute JavaScript while maintaining performance. The goal is to create tests maintained by developers and a testing pipeline in Azure. Custom k6 builds. These modules are accessed over HTTP(S), from a source like the k6 JSLib or from any publicly accessible web server. The difference is that it reaches a higher level of load over the course of the test. Now, let’s move on to the practical part. To run a simple local script: Create and initialize a new script by running the Jan 13, 2024 · Analyzing p90 and p95 values is a good practice in load testing, as they tell a more detailed story than the average or median. But unlike the default function, k6 calls setup and teardown only once per test. The code for our new test Sep 13, 2021 · In this tutorial, we will look into how to integrate performance testing in your development process with AWS CodeBuild and k6. The load in a stress test starts in a way that resembles load in an average-load test. Performance Testing is crucial for ensuring your application can handle high user loads and concurrent actions effectively. Load test metrics can simulate the experience of the user, but they won’t tell you about the system. Mar 10, 2022 · The k6-load-testing workflow we have used above is based on the official k6 action, provided through the GitHub Marketplace. k6 doesn’t have a recorder, so you have to manually define the requests workflow that will help you reproduce real end-user traffic. Scripting Contribute to grafana/k6-learn development by creating an account on GitHub. It acts as a Loki client, simulating real-world load to test the scalability Run a test. also showed how to install K6 on Linux and how to easily build a load test case using JavaScript, in addition to how to execute the test case using the K6 CLI and Jan 27, 2021 · k6 supports distributed load testing mode via a Kubernetes operator: k6 Operator allows you to create a k6 custom resource object within a Kubernetes cluster. Although a single k6 instance can generate enormous load, distributed execution is necessary to: Simulate load from multiple locations simultaneously. Sep 20, 2021 · In conclusion, load testing Apache Kafka is now a lot easier with k6. Increase the script’s activity further in a slower ramp-up until it reaches an above-average number of users or throughput. js' Sets the filename of the test script to execute. The logs will be available for us to view in Grafana Cloud. It is a lightweight, developer-oriented, and super extensible application for performance, load testing, and even SRE tasks. v3. Jul 14, 2021 · Load testing the database directly could provide you with better insights about the database performance in advance. xk6-websockets implements the WebSockets API living standard. k6 can structure this output in various formats. This article is part of a series on load testing with k6 and its cloud service. Open source load testing tool and SaaS for engineering teams. You signed out in another tab or window. In this article, I am going to explain how to use this scenario to generate constant request rates. In k6, you can split the load of a test across multiple k6 instances using the execution-segment option. gRPC definitions. This allows k6 to dynamically change the amount of active VUs during a test run, with the goal of achieving the specified amount of iterations per time unit. Scripting examples on how you can interact with cookies during your load test, if required. Therefore, using the official Docker container to run a k6 test that requires an extension will fail. Nov 13, 2023. Aug 10, 2020 · This executor starts the test with iterations at a fixed rate for a specified duration. Feb 14, 2023 · 2. Monitoring completes the load test picture. Testers today typically rely on open source load testing tools or specialized, cloud-based automation tools, like Grafana Cloud k6, to test the system with virtual users and simulated data volumes to see how the extra load impacts performance. Here's an auto-generated k6 test script showcasing all examples from the Chaijs API documentation. The importance of load testing lies in its ability to identify bottlenecks and weak points in the system that could lead to slow response times, errors, or crashes when under stress. Finally, as a load testing tool, k6 is engineered to execute code and carry out its plan swiftly and efficiently. powered by Grafana k6. We will use these values extensively in our analyses. Make HTTP Requests . We’ve covered some fundamentals on load testing: you’ve learned the definition of this technique, and the differences between scriptable and non-scriptable load testing tools. Aug 29, 2021 · k6 is an open-source load testing tool for testing the performance of APIs, microservices, and websites. Really, my "professional programming experience" culminated in some shell two-liners. Its configuration makes it flexible. Monitoring tells you about the health of the SUT, but it’s hard to translate the graphs into actual user experience. You might want to trigger cloud tests in these common cases: If you want to run a test from one or multiple geographic locations . Using a package called goja, an implementation of ECMAScript 5. 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. Grafana ️ k6 Oct 22, 2022 · Grafana k6 is an open-source load testing tool that makes performance testing easy and productive for engineering teams. k6. You have multiple ways to query k6 results in Grafana. A GET request looks like this: k6 is an open-source tool and cloud service that makes load testing easy for developers and QA engineers. K6: Create tests faster with our test builder, recorder, or converters (JMeter, Postman, Swagger). io - Documentation Jun 12, 2023 · Introducing K6. Add virtual users. The following examples take a set of arguments, shown in the function documentation, and returns the response body as JSON so that you can extract the token from. Load testing Let's use k6 to create a test that implements the following scenario: To do this, we will use a k6 feature called stages. In this load testing example, let’s explore how to load test a database using the xk6-sql extension. If you want to run a test with high-load that will need more compute resources than Jun 11, 2021 · k6 is an open-source load testing tool written in Go that embeds a JavaScript runtime to allow developers to write performance tests in JavaScript. k6 cloud to run a test on the k6 Cloud from one or multiple geographic locations. Dengan menggunakan K6, dapat menguji keandalan dan kinerja sistem, dan mengetahui regresi dan masalah kinerja lebih awal. K6 gratis, developer-centric, and extensible . Jul 3, 2023 · Learn how to use k6, a modern performance testing tool, to simulate user loads and evaluate your web application's performance and scalability. Sep 1, 2023 · Menganalisis Hasil: Setelah load testing selesai, K6 menyediakan data lengkap tentang kinerja aplikasi. Dec 19, 2023 · This post has demonstrated how to use the K6 framework to perform load testing for API endpoints. All in the same test! John Hill — Web UI Test Engineer, Space Mission Control Software Oct 24, 2017 · K6 is a modern load testing tool built on the experience of LoadImpact. If you use one or more k6 extensions, you need a k6 As we progress, we delve deeper into k6 intricacies, learning how to validate responses, craft assertions, and handle complex scenarios proficiently. load operation, is only available during test initialization, ie. Integrate k6 with CI tools, store results in different services, select different Grafana dashboards, or use converters for the auto-generation of your load test. It provides custom views to access your testing and analyze test results, enhanced collaboration features, and many more additional capabilities. Executors configure how long the test runs, whether traffic stays constant or changes, and whether the workload is modeled by VUs or by arrival rate (that is, open or closed models). Load testing WebSockets with k6 An extension with much better and standard API exists. io. This episode will explain the power of k6: the obse Jul 30, 2023 · หลายๆคนที่ทำ QA Automation จะรู้จักแต่ Jmeter เพราะเป็น GUI ใช้งานง่ายสำหรับผู้เริ่มต้น แต่ Jmeter มัน base on java เวลารันที กินแรมมากมาย แต่ K6 ตัว tool มันเอง สร้างมาจาก steps: - task: k6-load-test@0 inputs: filename: 'YOUR_K6_TEST_SCRIPT. OAuth authentication. io; k6. K6 helps you to automate Load tests that simulate real-world users as closely as possible. Each script must have at least one default function. To increase the load, use the scenarios property. Monitor Kubernetes and cloud native. While the k6 metrics help you understand what happened in a k6 test, you may need more detailed information when you're in the process of writing your load-testing script. While the for load testing. powered by Grafana Pyroscope. It's like Greasemonkey for load testing. Your scenario object must define the executor property with one of the predefined executor names. Aug 17, 2022 · k6 is a load-testing application. To run a simple Jun 23, 2022 · Distributed load testing using Kubernetes with k6 (k6 Office Hours #72) (demo and project) Grafana Cloud is the easiest way to get started with Grafana k6 and performance testing. Broadly, you can analyze metrics in two ways: Broadly, you can analyze metrics in two ways: As summary statistics, in an end-of-test summary report. When to run an average-load test. You signed in with another tab or window. k6 is free, developer-centric, and extensible. Its clean and approachable scripting API works locally or in the cloud. If you've ever written a load test I think you'll likely agree it is the grungiest of grungy tasks. The process of creating a new load test often follows this process: Load test a GraphQL service. With these example snippets, you'll run the test with your machine's resources. The k6 Integrations page lists the most popular k6 integrations. Example. It competes with tolls like JMeter and Gatling and is now part of the Grafana Labs suite of tools. 0. Oct 27, 2023 · What is load testing? Load testing is a type of performance test that determines how well an application performs when subjected to an anticipated number of users. Scenarios schedule load according to the number of virtual users (VUs), number of iterations, VUs, or by iteration rate. As a result, you could thoroughly plan out your database architecture and determine how to scale it properly. Nov 11, 2020 · Creating the test. Continuous profiling. API CRUD Operations. k6. Sep 24, 2020 · 8. With the Aug 23, 2021 · We can then run our k6 load test against this setup, and alongside the k6 load test results we can visualize Grafana, Docker, and database metrics stored in Prometheus, and tail logs stored in Loki, allowing us to identify potential bottlenecks and problems and/or help us validate that certain load tests perform as expected. . Load testing WebSockets with k6. js. js) y ejecutar el siguiente comando en la terminal: k6 run load_test. #k6 It's time to increase the load to see how it performs. Sign up for free now! Use this executor if you need a specific number of VUs to complete the same number of iterations. But, if you have a k6 Cloud account, you can also use the k6 cloud command to outsource the test to k6 servers. Cannot recommend enough. Before you begin. Goal-based load testing - You will be able to automate test which covers performance and functional goals like what level is a response time not acceptable, and/or what is an As we showcased, getting started with performance testing in your pipelines can seem like a daunting task, but there’s no reason to be intimidated. Graphite. This action, however, currently only runs Jun 28, 2021 · k6 is an open-source load testing tool written in Go that embeds a JavaScript runtime to allow developers to write performance tests in JavaScript. The test runs 200 total iterations and has a maximum duration of 30 seconds. To manage heavy workloads and high traffic volumes, it maximizes available hardware resources. js (por ejemplo, load_test. The following is an example of a protocol-based load testing script in k6 that fetches the homepage, along with resources embedded into the page. Increase the test duration. May 30, 2022 · ## Introduction: k6 Load Testing. k6 is an open-source load testing tool for testing the performance of APIs, microservices, and websites. Having test results in a dashboard brings various benefits: Visualize your results to analyze performance during the test run or over multiple test runs. 32. 3. Maintain that load for a Performance & load testing. A few functions are available only in init context. When I started five months ago, I knew I had some work to do because: I barely knew what load testing meant, I'd never written a line of JavaScript. Load testing gRPC services with k6. On maintaining a k6 codebase, Part 1 - Personal tips to maintain a challenging k6 load testing codebase. The k6 blog provides tips, advice, and technical posts on k6, load testing, and how to get your performance testing on the right track. After downloading and extracting the archive for your platform, place the k6 or k6. Here’s how you can build a test case in k6. Complement automation with a repeatable QA process We mentioned this at the beginning of the guide: automation in performance testing is about establishing a repeatable and consistent testing process. Aside from its usefulness for applications already operating within Kubernetes, the operator also allows for easy distributed testing. and went through the selection criteria for choosing K6 as a load testing tool. Sep 13, 2020 · k6 run to run a test locally on the CI server. This type of testing is essential to identify and resolve any potential performance bottlenecks, ensuring that the application performs optimally under various conditions, including scenarios with thousands of simultaneous users or multiple concurrent Mar 14, 2020 · Swagger/OpenAPI load testing. To minimize repetitive work, try to reuse test scripts early and to modularize test functions and logic. For the additional options to use k6 with Loki, you can view the k6 documentation. Prometheus. By using a methodical approach, starting small and applying known principles you can now get started with performance testing using k6 as well! About the Author Jan 30, 2024 · In some testing conversation, an average-load test also might be called a day-in-life test or volume test. Reload to refresh your session. Here is an overview of how k6 load testing operates: Test Script Creation; Virtual User Simulation; Load Generation; Performance Monitoring; Analysis and Reporting; Iterative Testing and Optimization Jun 18, 2024 · Load testing simulates real-world usage conditions to ensure the software can handle high traffic without compromising performance or user experience. Sign up for free on Grafana Cloud k6. Ahora ya estás listo para utilizar k6. The xk6-loki extension permits pushing logs to and querying logs from a Loki instance. Run a smoke test. A practical example of building custom load tests using k6, TypeScript and Docker along with Azure DevOps pipeline. Install k6 on your machine. Sep 13, 2021 · Load testing is the other half of the observability puzzle, giving you quality data to test for application performance before going live and highlighting performance issues before it’s too late to fix them. When testers create new load test, the first step is often to define the HTTP requests to test the system with. Jun 7, 2023 · Grafana K6 adalah open source load test yang membuat load test menjadi mudah, yang ditulis dengan bahasa pemrograman javascript. You don't want to wait until you have a sudden spike in traffic to rea Jan 16, 2023 · k6 OSS is a standalone open-source solution that you can easily download, install and execute from any computer. k6 extensions for load testing. exe binary in your PATH to run k6 from any location. #1 - K6 - Performance Testing tool - Introduction, Installation & Run First ScriptSchedule a meeting in case of any queries/guidance/counselling:https://cale Developer centric load testing - Everyone loves fast apps, APIs and websites. Performance & load testing. Tipos de pruebas de carga The k6 browser module has changed my approach to automated performance testing. xk6-websockets is an experimental module with a more standard API than k6/ws. Creating k6 test scripts for Kubernetes is no different from creating the script for the command-line. k6 provides the foundation to create and scale your load tests, and the xk6-kafka extension brings a convenient API to interact with a Kafka server. Grafana dashboards. May 9, 2024 · Writing a Load Test K6 test scripts use JavaScript, while K6 is written in Golang. It's time for me to once again sing the praises of @k6_io. Our GitHub Releases page has a standalone binary for all platforms. If you haven’t already created test cases for your system, then we suggest having a read through one of our guides for creating tests for websites and APIs/microservices: Website testing guide; API testing guide Dec 18, 2018 · As you start testing production-like environments, you will likely need to make use of the automated load test results analysis provided by k6 Cloud Performance Insights. If you script common scenarios in reusable modules, it’s easier to create different types of load tests. k6 The k6 Performance & load testing. Create a test script. They monitor and measure response time, throughput, and resource utilization to detect potential Dec 22, 2020 · 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. Apr 11, 2023 · Across every point of the test, k6 emits metrics with values and time stamps. Master Services Agreement Jun 10, 2021 · Out of nowhere, a simple open-source load testing tool caught my attention — k6. Dec 10, 2021 · Default results report in k6. Zhimin Zhan. It implements the WebSockets API living standard Based upon our test scenario inputs and results: The configuration defines 2 stages for a total test duration of 30 seconds; Stage 1 ramps up VUs linearly from the startVUs of 0 to the target of 10 over a 20 second duration; From the 10 VUs at the end of stage 1, stage 2 then ramps down VUs linearly to the target of 0 over a 10 second duration; Although a single k6 instance can generate enormous load, distributed execution is necessary to: Simulate load from multiple locations simultaneously. k6 was previously known as Load Impact and is a full-fledged tool for: k6. Master Services Agreement Grafana k6. Grafana is a beautiful browser UI for data visualisation, which supports InfluxDB as a data source. It was due to the fact that only QA people used to work on performance testing. tg iv zc yn aw ic pl lx uw br