Software, systems, and the p99

It is not enough for code to work.

“The best way I’ve found to have a positive impact on code is to write it.”

Engineering notes

2026

Sep 7, 2026 / Systems, AI, Reliability

Synthetic Resilience

A coding agent can turn a dependency failure into silent, incorrect behavior by inventing a fallback your system was never designed to use.

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Aug 23, 2026 / Meta

Why p99log

What this is, what the name means, and why the tail matters more than the average.

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