Fernando Simões

Notes

• A 40ms Go GC pause caused by swap Sep 13, 2026
• 1193 backends on WALWrite, and lore Jul 18, 2026
• A Node.js heap mystery Mar 21, 2026
• Investigating 108,725 forks Dec 11, 2025
• Betting a coffee on a socket leak Aug 19, 2025
• Sigterm a D state process Apr 8, 2025