Posted inPerformance Ruby Software
Ruby and Rails Performance Roundup: The Backlog Edition
Yet again instead of tweets, a blog post. The backlog got out of hand -…
Posted inapache kafka Karafka karafka framework
Karafka 2.6 and Web UI 1.0: Laying the Groundwork for Kafka Queues
I'm happy to announce that Karafka 2.6 and Karafka Web UI 1.0 have just been…
Posted inPerformance Ruby Software
Small PRs, big speedups: The Ruby performance work you almost missed
Normally I just fire off a tweet when I spot a nice performance PR landing…
Posted inconference Ruby RubyKaigi
From Karafka Ractors to Yoichi Whisky: My RubyKaigi 2026 Experience
Introduction I just returned from RubyKaigi 2026, held from April 22nd to 24th in Hakodate,…
Posted inapache kafka Karafka Performance
One Thread to Poll Them All: How a Single Pipe Made WaterDrop 50% Faster
This is Part 2 of the "Karafka to Async Journey" series. Part 1 covered WaterDrop's…
Shoryuken Has a New Maintainer, and v7.0.0 Is Almost There
After a decade under Pablo Cantero's stewardship, Shoryuken has a new maintainer - me. I'm…
Posted inPerformance Ruby Software
Ruby Floats: When 2.6x Faster Is Actually Slower (and Then Faster Again)
Update: This article originally concluded that Eisel-Lemire wasn't worth it for Ruby. I was wrong.…
Announcing YARD-Lint: Keep Your Ruby Documentation Solid
TL;DR: YARD-Lint catches documentation issues, just like RuboCop for code. Star it and use it…
When Your Hash Becomes a String: Hunting Ruby’s Million-to-One Memory Bug
Every developer who maintains Ruby gems knows that sinking feeling when a user reports an…
Announcing llm-docs-builder: An Open Source Tool for Making Documentation AI-Friendly
I am excited to announce the release of llm-docs-builder, a library that transforms Markdown documentation…