> Averages hide what your users feel
Your dashboard says average latency is 200ms. Someone is waiting 25 seconds. Averages describe the system. Percentiles describe what your users actually live through.
Notes on systems, architecture, and building products from startups and at scale. Exited founder, now product leader.
Recent Posts
> SESH - session tracking that survives rabbit holes
A session management CLI built on markdown files and git. Here's the architecture, the decisions, and enough to rebuild it yourself.
> Blueprints: open-sourcing the architecture, not the code
Open-source the architecture and the decisions, without the code maintenance. In the era of AI, blueprints are more useful than repos.
> What the founder-to-employee transition is actually like
I built a startup, sold it, and joined Shopify. The transition from founder to employee uses completely different muscles, and nobody really talks about what it is actually like.
> Be bold, ship gradually
After weeks of building, it's tempting to just ship it. But the way something rolls out can mean the difference between a successful launch and one that backfires.