piperguy
The Plumbr Show by Piperguy cover art: three connected pipe segments forming a circuit, with the show title.

the plumbr show · 1 episode

micro-blogs

One engineering problem a week: high-level design, low-level design, data structures, or logical reasoning. A real use case, a clear explanation, a diagram, and a worked solution — read it here or listen to the episode.

  • ep 01Low-level designintermediate

    Rate limiting a public API without punishing honest bursts

    Demo episode. A payments API gets hammered by one integrator's retry storm. We design a token-bucket limiter that survives bursts, works across many servers, and tells clients when to come back.

    6 min read