@rafaelgss tech blog

State of Node.js Performance 2024

9 days ago
performance benchmarks article nodejs en-US

State of Node.js Performance 2024 The year is 2024, and Node.js has reached version 23. With two semver-majors released per year, it might be difficult to keep track of all aspects of Node.js. This article revisits the State of Node.js performance, with a focus on comparing versions 20 through 22. ... read more

Node.js 2023 Year in An Article

10 months ago
nodejs article en-US

Node.js 2023 Year in An Article Two months into 2024, I’ve decided to summarize the achievements in the Node.js space from 2023. As always, this list is curated by me, so I may overlook some pull requests due to the vast amount of work completed by Node.js collaborators and areas where I need more ... read more

Why you should pin your GitHub Actions by commit-hash

1 year ago
security article en-US

Why you should pin your GitHub Actions by commit-hash Supply chain attacks are not something new; we have heard about them extensively, and the maximum we can do is mitigate them as best as we can. However, it is crucial to acknowledge that these types of attacks will always exist. With that in min... read more

State of Node.js Performance 2023

1 year ago
performance benchmarks article nodejs en-US

State of Node.js Performance 2023 The year is 2023 and we’ve released Node.js v20. It’s a significant accomplishment, and this article aims to use scientific numbers to assess the state of Node.js’ performance. All the benchmark results contain a reproducible example and hardware details. To reduc... read more

Preparing and Evaluating Benchmarks

2 years ago
benchmarks article en-US

Preparing and Evaluating Benchmarks Benchmarking is all about getting reliable results and using those results as a baseline for further performance improvements. Therefore, if you don’t have reliable results, you have nothing, or worse you will be relying on false information that likely will lead... read more

Node.js Core - Neovim Setup

2 years ago
vim nodejs tips en-US

Node.js Core - Neovim setup Frequently, I’m asked about my setup when working on the Node.js codebase. To save everyone’s time, I wrote this quick blog post. It’s important to mention all recommendations are personal preferences, you can achieve the same behaviour using different tools. Currently... read more

HTTP Proxy Tunneling

2 years ago
network en-US

HTTP Proxy Tunneling How much do you trust your HTTP Proxy Client? Most developers have at least heard about HTTP Proxy and some of them use it on a daily basis. They are excellent ways to intercept and debug HTTP requests made from your local environment. I strongly suggest checking them out. Th... read more

Network Performance in Real-world

3 years ago
performance article en-US

Network Performance in Real-world Everybody knows or must know the famous statement: “Network is not reliable”. In fact, it’s true, however, it doesn’t means that you shouldn’t optimize it. If you got here by yourself, likely you understand why performance matters in the business. Otherwise, I rec... read more

Performance Methodologies

3 years ago
performance article en-US

Performance Methodologies Poor performance costs the software industry millions of dollars annually in lost revenue, decreased productivity, increased development, hardware costs and damaged customer relations. Most applications tend to focus on correctness over performance. The shift towards perf... read more

Diagnostics Channel was released!

4 years ago
performance nodejs article en-US

Diagnostics Channel The Node.js v15 landed a feature that should help a lot of APM vendors. The diagnostics_channel has the objective to have a centralized channel of events between modules. As stated in the blog release: diagnostics_channel is a new experimental module that provides an API to... read more

Node CPU Profiler

4 years ago
performance nodejs article en-US

Node CPU Profiler How we can measure the performance? If you are a software engineer, you have already thought about the performance of your Node.js application. And probably saw the feature flag: --inspect or --inspect-brk to enable CDT(Chrome Dev Tools) and measure performance from there. Well,... read more

Autonomous Microservices - Outbox Pattern

4 years ago
architecture article microservices en-US

Autonomous Microservices - Outbox Pattern In a microservice architecture the most of its complexity is in the consistency of the data. Very often the main questions are: “What’s the best way to communicate microservices so that one gets data from the other?” “How to expose in a single endp... read more

Microsservicos Autonomos - Outbox Pattern

4 years ago
architecture article pt-BR

Microsservicos Autonomos - Outbox Pattern Em uma arquitetura de microsserviços boa parte de sua complexidade está na consistência dos dados, ou seja qual a melhor forma de comunicar os microsserviços de forma que um consiga dados do outro? Como expor em um single endpoint a relaçao entre um recurso... read more

Vim Tips

4 years ago
vim tips en-US

Vim Tips This post is a aggregate of tips that I get it from vim The ideal world of VIM The ideal is one keystroke to move and one keystroke to execute. VIM are optimized to repetition with dot . keystroke, most of the commands that we are used to do in other text editors is not optimized for re... read more

Github Actions + Digital Ocean + Elixir ❤️

4 years ago
devops article en-US

Github Actions + Digital Ocean + Elixir = ❤️ Today I performed an experiment with the new not so new CI from Github: Github Actions, implementing on my blog (yes, the one you are reading). The project has here, So, I ran this test with: Simple Droplet on DigitalOcean ($5) Elixir + Phoenix... read more

Comunicação entre microsserviços - Async

5 years ago
architecture article pt-BR

Comunicação entre microsserviços Async Introdução ao RabbitMQ e seus feitos. Em uma arquitetura voltada para microsserviços, dois dos seus principais conceitos chaves são: escalabilidade e resiliência. Dito isso, é bem comum que haja a necessidade dos microsserviços se comunicarem de alguma f... read more

Communication between microservices - Asynchronous

5 years ago
architecture article en-US

Communication between microservices - Asynchronous Introduction to RabbitMQ and its achievements. In an architecture focused on microservices, two of its main key concepts are: scalability and resilience. Usually, the necessity is to have a communication between microservices in some way, eit... read more

Fastify, Why another JavaScript Framework?

5 years ago
nodejs fastify article en-US

Fastify, Why another JavaScript framework? An introduction to the concepts and motivations behind the framework. All of us know that the JavaScript ecosystem is builtin by several frameworks. In this article, I’ll show you a framework called Fastify and why it’s taken my attention. Fastify i... read more