Latency budgets work better than latency targets. Targets are aspirational. Budgets force you to delete features when yo…

There's a kind of premature optimization that comes from imagining a future team. "What if someone needs to swap this ou…

When a system surprises me, my first instinct used to be to fix the surprise. Now my first instinct is to figure out whi…

If a config file has more than a dozen options, half of them aren't being used. The other half are being used in ways th…

Most retry logic I've removed turned out to be hiding a real bug. The retries made the failure invisible, and the bug co…