Rahul Solanki a technical leader at BlueConch Technologies mentioned to me that when he compared it with JMeter, the number of resources that Locust occupies was around 70 percent less.
You can define the behavior you want for each of your Locust instances. It also gives you the ability to monitor the swarming process from a web UI in real-time. It currently has But performance engineering expert Todd DeCapua in a previous PerfGuild conference session recommended using Fiddler with Watcher and BlackWidow to create a quick-start automation testing performance solution. Fiddler enables you to do many things, but it's probably best described as a packet capture tool.
While Fiddler may not be considered a load testing solution it does many things that allow you to debug website issues, and with one of its many extensions, you can accomplish even more. Watcher is a security add-in for Fiddler which will enable you to get some security results quickly. BlackWidow is a web crawler that gives you the functionality to point it towards a web address and then be able to drill down on results. Todd actually has a session during a past PerfGuild Online Conference where he gives a demo of this approach.
It was developed to make stress testing easy and to provide a platform that allows you to create, execute, and monitor tests. The Grinder is a Java-based framework. It provides you with easy-to-run and -create distributed testing solutions using many load generator machines to capture your end-users response times.
So you don't have to worry about any virtual users restrictions. Gatling is a stress tool built on Scala , Akka , and Netty. You can also use k6 to start including performance testing into your continuous integration pipelines. Tsung is an open-source, multi-protocol distributed load testing tool. It currently has 2. Siege is a command-line HTTP load testing and benchmarking utility. It was designed to help developers measure their code under stress. It currently has 4k stars on GitHub. Developed by the Chicago Tribune, this is probably the coolest-sounding performance testing tools on this list.
Bees with Machine Guns describes itself as a utility for arming creating many bees micro Amazon EC2 instances to attack load test targets web applications.
It currently has 6k stars on GitHub. For enterprise-wide performance testing tools, LoadRunner tends to be one of the most common but many of these open-source tools can get you most of the functionality you need. Also, most of these tools protocols can be used for both performance testing web application and performance testing web services. Serenity BDD is a selenium alternative for automated acceptance and regression tests. It is one of the best open source test tools which generates test reports that document and describe functional test coverage.
Open-source testing tools support a range of testing activities. These testing tools are used to ensure complete test coverage and provide ready software tester metrics. Open-source testing tools do not have good support compared to paid tools. Open source tools lack frequent updates, whereas paid tools are frequently updated. Any bug in the open-source tool may take a very long time to be fixed, whereas commercial tools provide bug fixing rapidly.
Though the source-code of open-source tools is freely available, and you can quickly modify the tools as per your needs. You should consider the following factors while selecting an open-source automation testing tool:.
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Big Data Expand child menu Expand. It uses Akka factors to create a simulation of huge traffic. Gatling is mainly written in Scala and uses DSL, that allows users to write tests with a beginner knowledge of Scala. With Gatling, users can run a load test with concurrent users on a single computer, without the need for a complex distributed testing environment.
One fantastic feature of Gatling is that you can analyze the bottlenecks and optimize it. You can record the behaviour of the user on the site, and then create a script for the same behaviour and run it for many concurrent users. Such tests are critical for eCommerce testing before major festivals and shopping time. Gatling has both open source and enterprise versions.
Enterprise version will get you premium support; however, all the features are available in the community edition, which is free. One drawback is not having a coherent GUI, but then, what open source load testing tools have except few.
Locust is a fantastic yet straightforward load testing tool. As the name suggests, the idea behind Locust is that a pack of Locust will attack your site. You can configure and change the behaviour of each locust, and the user can monitor the process with the web UI in real-time. Locust is written in python, and it is easy to install and use. With a pip command, you can use Locust to test the tolerance of the website, apps, and servers under heavy load.
Other software uses callbacks, but Locust uses light-weight processes through gevent. You can deploy Tsung on multiple computers, and harness the resources to simulate hundreds of thousands concurrent users. It is written in Erlang, an open-source language that focuses on building scalable fault-tolerant applications. Although you can run Tsung from the computer itself, or join a few of the machines for more power, the main strength of the Tsung is its ability to run with a cluster.
Once set up on the modest cluster, it can put an immense load on the server. Running Tsung on the cloud server is the best option, as it will work at its full potential. We will make you a custom plan, as per your resources and timely needs. Siege is a regression testing tool. If you have made changes in the code of your site, and want to test if the latest coding has affected the site, then Siege is for you.
It is made to test the code under vast amounts of stress, to evaluate how the code will respond on the internet.
Although, you can check a Windows server with Siege. With it, you can analyse the amount of data transferred, the response time of the server, throughput, concurrency, consistency, etc. Siege has few drawbacks like it has a vague set of metrics, and the time scale is in two decimal points only. Artillery became so popular in the open-source community that now there is a premium edition of the software too. It is written in Node. You can have thousands of concurrent users with Artillery, but there are no recording functions.
However, there are reports at the end of the test. Goad is a Go-based load testing tool that harnesses the power of AWS lambda.
With Goad, you can test the performance of your eCommerce store at low cost, while keeping the concurrent user number high. Goad will configure the AWS resources required to execute the test.
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