Articles on backend, distributed systems and cloud

From the blog

Articles

Notes on development, design and product.

Curva de espera frente a ocupación: plana hasta el 50 % y casi vertical cerca del 100 %

PerformanceArchitectureAugust 13, 20267 min read

The invisible queue: why a service slows down before it fills up

CPU reads 65 % and the p99 tripled. There is no bug, there is a queue. Why waiting grows all at once, where the queues in your stack hide, and what to do about them.

Seis barras escalonadas sobre una línea de tiempo de 0 a 620 milisegundos

Plain languageCloud and infrastructureAugust 13, 20264 min read

What happens in the half second between hitting Enter and seeing the page

You type an address, hit Enter and half a second later you are reading. Six things happen in that gap and almost none are what people picture. In plain language, with numbers from an ordinary page load.