Company
Date Published
Author
Alexis Lê-Quôc
Word count
810
Language
English
Hacker News points
None

Summary

Alexis Lê-Quôc, a sponsor of the Silicon Valley editions of Velocity and DevOpsDays, shared insights from notable talks at these events. Johan Bergstram's keynote on risk in System Design emphasized five key properties of organizations that manage risk well, including keeping discussions about risk alive and focusing on understanding how people make trade-offs to guarantee safety. Anomaly detection was a hot topic, with Abe Stanway and Joe Cowie presenting open-source projects used internally at Etsy to detect anomalous metrics. Baron Schwartz' talk on abnormal behavior introduced the concept of computing exponentially weighted moving averages (EWMA) as a statistical process control method for Web Ops. The talks highlighted the importance of understanding work versus resource metrics in measuring system performance.