k6 is a developer centric open source load and performance regression testing tool for testing the performance of your cloud native backend infrastructure: APIs, microservices, serverless, containers and websites. It’s built to integrate well into your development workflow and CI/CD automation pipelines.
This is one of the better tools that I’ve seen in a long time. Not only it does its job great, but it integrates brilliantly with your development and testing pipelines.
You can either build your tests from scratch, or you can convert import them from your existing tools. For example, Postman collections, environments, and tests can be converted to k6 with postman-to-k6. Here’s a blog post to get you started on that path.
Side note: if you hit the “EACCES: permission denied, mkdir ‘/usr/local/lib/node_modules/postman-to-k6/vendor’” durin the postman-to-k6 installation, then simply append “–unsafe-perm=true –allow-root” to the “npm install” command, as suggested in this GitHub thread.
I came across these “Notes to Myself on Software Engineering“, with which I agree wholeheartedly. Some of these I’ve learned “the hard way”. For most of these, I wish I knew them earlier. They would make my life a lot easier. Here a few to get you started, but make sure to read the whole list, as many of these apply to other areas of IT and life in general.
It’s okay to say no — just because someone asks for a feature doesn’t mean you should do it. Every feature has a cost that goes beyond the initial implementation: maintenance cost, documentation cost, and cognitive cost for your users. Always ask: Should we really do this? Often, the answer is simply no.
Invest in continuous integration and aim for full unit test coverage. Make sure you are in an environment where you can code with confidence; if that isn’t the case, start by focusing on building the right infrastructure.
Simple things should be simple, complex things should be possible. Don’t increase the cognitive load of common use cases for the sake of niche use cases, even minimally.
Because code is communication, naming matters — whether naming a project or a variable. Names reflect how you think about a problem. Avoid overly generic names (x, variable, parameter), avoid OverlyLongAndSpecificNamingPatterns, avoid terms that can create unnecessary friction (master, slave), and make sure you are consistent in your naming choices. Naming consistency means both internal naming consistency (don’t call “dim” what is called “axis” in other places) and consistency with established conventions for the problem domain. Before settling on a name, make sure to look up existing names used by domain experts (or other APIs).
Career progress is not how many people you manage, it is how much of an impact you make: the differential between a world with and without your work.
Software development is teamwork; it is about relationships as much as it is about technical ability. Be a good teammate. As you go on your way, stay in touch with people.
When we find ourselves in a conflict, it’s a good idea to pause to acknowledge our shared values and our shared goals, and remind ourselves that we are, almost certainly, on the same side.
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