Simon Willison’s Weblog

Ruby on Rails and FastCGI: Scaling using processes instead of threads. Relates to the shared-nothing architecture.

Posted 12th April 2005 at 2:06 pm

Recent articles

Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!" - 10th August 2025
My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025

fastcgi 3 rails 72 scaling 143

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe