Top all-time · #19882
Brendan Long
Personal blog · brendanlong.comprogrammingaieconomics
Brendan Long's personal blog at brendanlong.com covers programming, ai and economics. Since 2017, 3 different Hacker News readers have linked it 7 times. It is still writing: the last post was on 2026-09-29, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link this post on why reported CPU utilization can mislead as a measure of capacity. One commenter adds an Nginx benchmark pinned to 1-24 cores to illustrate the point.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
A personal blog covering LLM internals, software projects, and other topics.
What Hacker News says?
Here's results of the Nginx benchmark pinned to 1-24 cores: https://docs.google.com/spreadsheets/d/1d_OK_ckLT1zTA_fG4vkq... At 51% reported CPU utilization, it's doing about 80% of the maximum requests per second, and it can't get above 80% utilization. I also added a section: https://www.brendanlong.com/cpu-utilization-is-a-lie.html#bo...
Comment linking /cpu-utilization-is-a-lie.html
on “%CPU utilization is a lie”Submitted %CPU utilization is a lie as a story · 437 points
HN discussionSubmitted Timing attacks and usernames (2012) as a story · 46 points
HN discussionSubmitted Vibe Coding Is a System Design Interview as a story · 2 points
HN discussionSubmitted The Problem with Wealth Taxes as a story · 2 points
HN discussionSubmitted Videos as images in HTML as a story · 2 points
HN discussionSubmitted OCaml operator cheatsheet as a story · 1 points
HN discussion