Rafael Gonzaga @_rafaelgss
Principal OSS Engineer at @NodeSource from 🇧🇷 | @nodejs TSC | @fastifyjs core | @nodeclinic maintainer 🏆 OpenJS Pathfinder Award for Security 2023 rafaelgss.dev Worldwide Joined December 2015-
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Reminder to Node.js core developers: All commits that were landed until 2025-09-15 (one month prior to the release) will be included in the next semver major release (Node.js v25). Please ensure that any necessary preparations are made in advance.
Re-running some Node.js benchmarks with recent versions on github.com/RafaelGSS/node…. Once I get the result (it might take a while) I can share it here.
If you are using an deprecated Node.js API (usually, the ones that emit a warning on usage), please upgrade. This affects your API's performance. I wrote a patch to "fix" it, but it still won't apply to all cases. See: github.com/nodejs/node/is…
One of the challenges with continuous benchmarking on Node.js core is the time it takes to conclude. We have an ongoing initiative to improve that in github.com/nodejs/perform…. It's a good first issue!
I'm now part of a few performance teams in the Node.js ecosystem and will start posting more about current initiatives, new discoveries, and performance improvements
Rafael Gonzaga retweeted
🚀 N|Solid Runtime v6.0.0 is here! Built on Node.js v22.18.0, this release brings: ⚡ gRPC-only SaaS connectivity 🧠 v8-powered continuous CPU profiler 🔒 Enterprise-grade reliability Over 500K downloads this year - OSS Node.js just got better. 👉 nodesource.com/blog/updates-f…
Rafael Gonzaga retweeted
🔥 Today we're shipping something special at @platformatic: Next-generation flamegraph visualization for Node.js! We've built a complete profiling ecosystem that makes performance optimization intuitive and actionable. Let me show you what we've cooked up 🧵
A long time ago, var was quite faster in comparison to let. I remember that we delayed the var -> let migration on @fastifyjs due to it. Good times.
Check it out: github.com/RafaelGSS/benc…
A New Node.js Benchmarking Library: bench-node #nodejs #benchmarking youtube.com/shorts/BA0vCud…
If you aren't aware of Node.js mentoring sessions, join nodejs-mentoring channel on Node.js Discord/Slack nodejs.org/en/about/get-i…
If you aren't aware of Node.js mentoring sessions, join nodejs-mentoring channel on Node.js Discord/Slack nodejs.org/en/about/get-i…
Rafael Gonzaga retweeted
Congratulations to @_rafaelgss from NodeSource for becoming Lead of Node.js Performance Strategic Initiative 🤩 github.com/nodejs/node/pu…
Some people have experienced a performance bottleneck when migrating from Node.js 18 to Node.js 20, and this might be related to the dynamic sizing of semi-space memory of V8 (especially if you are restricting your container to a small available memory) Try bumping…
Rafael Gonzaga retweeted
Wow, bench-node is awesome, thanks @_rafaelgss for such a great tool. I just migrated some performance tests that were written for the iconv-lite package, and the results look great. github.com/ashtuchkin/ico…
If your project is part of OpenJS Foundation and needs help with security, please ping me. I’m sure I can help you!
Node.js v24.6.0 is out💚 Highlights: * Use your system’s trusted certificates with NODE_USE_SYSTEM_CA=1 * crypto: ML-DSA (KeyObject/sign/verify) * http: server.keepAliveTimeoutBuffer * zlib: Zstd dictionary support * fs: Utf8Stream (from SonicBoom) * docs: deprecate _http_*…
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