Fernando Simões
Software and infra
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Notes
Oct 1, 2026
Page table memory consumption
Sep 13, 2026
A 40ms Go GC pause caused by swap
Jul 18, 2026
1193 backends on WALWrite, and lore
Mar 21, 2026
A Node.js heap mystery
Dec 11, 2025
Investigating 108,725 forks
Aug 19, 2025
Betting a coffee on a socket leak
Apr 8, 2025
Sigterm a D state process
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