It's 2 AM. Do You Know What Your AI Agent Is Doing?
I run the microVMs that other people's AI agents execute in. At 2 AM almost all of them are idle — and the things burning money are the robots watching them.
11 minSep 2, 2026Sandbox Creation Time Benchmarks Measure Different Things
Every AI sandbox matrix has a creation time column spanning 0.79ms to 2.7s. That spread is definitional, not performance. Here's how to make it comparable.
10 minSep 2, 2026microVM Production Incidents: 4 Postmortems From My Fleet
Four real postmortems from a multi-tenant Firecracker microVM fleet I run solo: a wiped boot disk, silent config drift, a fatal page fault, and no alerts.
10 minSep 2, 2026Firecracker microVM Cloud, Built Solo in 6 Months: 179ms Boots
What it actually takes to run a Firecracker microVM cloud alone: snapshot-restore on every create, 179ms boots, pre-allocated netns, and the real costs.
9 minSep 2, 2026I Measured Every Stage of My 179ms Firecracker Boot Path
Where every millisecond of a Firecracker create goes, measured on my own production fleet, plus why I refuse to stop the clock before the guest answers.
9 minSep 2, 2026My Fork Docs Were Wrong: What VM Forking Really Preserves
I shipped a doc claiming forks keep processes and open files. A smoke test proved otherwise. Three fork paths measured, and the five places each breaks.
10 minSep 2, 2026Container vs microVM vs gVisor: Choosing Agent Isolation
A practical guide to picking an isolation model for AI-agent code execution, from someone who runs a Firecracker fleet: five models, five axes, one table.
9 min