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Scaling PostgreSQL to power 800M ChatGPT users
An inside look at how OpenAI scaled PostgreSQL to millions of queries per second using replicas, caching, rate limiting, and workload isolation.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,871 posts.
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Why Android can't use CDC Ethernet (2023)
A detective story with a silly ending
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Cloudflare outage caused by bad software deploy
Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF)
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VPN⁰: A Privacy-Preserving Distributed VPN
This research presents VPN⁰, the first distributed virtual private network offering a privacy preserving traffic authorization and validation mechanism.
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How Does React Tell a Class from a Function?
We talk about classes, new, instanceof, prototype chains, and API design.
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Archive.org Seeks Summary Judgment in Lawsuit Filed by Publishing Companies
The Internet Archive has asked a federal judge to rule in our favor and end a radical lawsuit, filed by four major publishing companies, that aims to criminalize library lending. The motion for summary judgment, filed Thursday in the U.S. District Court for the Southern District of New York by the Electronic Frontier…
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0 A.D. Release 28: Boiorix
Wildfire Games, an international group of volunteer game developers, proudly announces the release of 0 A.D. Release 28: “Boiorix”, the twenty-eighth version of …
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Rust Starter Kit 2020
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
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My loss
Derek Sivers official site. Thoughts on philosophy, culture, self-improvement. Author of Useful Not True, How to Live, Hell Yeah or No, Anything You Want.
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What is Differential Privacy?
Yesterday at the WWDC keynote, Apple announced a series of new security and privacy features, including one feature that’s drawn a bit of attention — and confusion. Specifically, Apple …
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Mozilla Awards Over Half a Million to Open Source Projects
At Mozilla we were born out of, and remain a part of, the open source and free software movement. Through the Mozilla Open Source Support (MOSS) program, w
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Farewell GitHub, Hello Immersive Computing
Today is my last day at GitHub. Recent events have given me a lot of time to reflect on what’s important to me, and I’ve decided to switch gears and focus on building something from scratch again. Since visiting the Oculus VR team at their office three months ago, I’ve come to believe that immersive computing (aka…
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* { box-sizing: border-box } FTW
One of my least favorite parts about layout with CSS is the relationship of width and padding. You’re busy defining widths to match your grid or general column proportions, then down the line you start to add in text, which necessitates defining padding for those boxes. And ‘lo and behold, you now are subtracting…
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Bevy 0.12
Thanks to 185 contributors, 567 pull requests, community reviewers, and our generous sponsors, we're happy to announce the Bevy 0.12 release on crates…
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Eye of Sauron: Long-Range Hidden Spy Camera Detection (2024)
Qibo Zhang and Daibo Liu, Hunan University; Xinyu Zhang, University of California San Diego; Zhichao Cao, Michigan State University; Fanzi Zeng, Hongbo Jiang, and Wenqiang Jin, Hunan University
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What GPT-OSS leaks about OpenAI's training data
OpenAI recently released their open-weights model. Here we'll discuss how that inevitably leaks some information about their model training stack, and, on the way, show that GPT-5 was trained on phrases from adult websites....
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Nobel Prize in Physiology or Medicine 2025
The Nobel Prize in Physiology or Medicine 2025 was awarded jointly to Mary E. Brunkow, Frederick J. Ramsdell and Shimon Sakaguchi "for their discoveries concerning peripheral immune tolerance"
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Wireshark Is 25: The email that started it all and lessons learned along the way
25 years ago, I sent this email, which ended up changing the course of my life From: Gerald Combs - Unicom Communications <gerald [at] … > To: gtk-list [at] redhat . com Subject: ANNOUNCE: Ethereal 0.2.0 Date: Tue, 14 Jul 1998 21:47:01 -0500 (CDT) Ethereal is a network analyzer that lets you capture and interactively…
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How github was hacked
So I commited in rails/rails repo I simply added a <input value=USER_ID name=public_key[user_id]> field to Public key update form, where U...
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Retraction: The App Store Rejection of the Week That Was a Correct Rejection
My disdain for astrology is so utter, and my esteem for Godier’s previous work so high, that it simply never occurred to me that he might have actually made and submitted to the App Store an astrology app, let alone that he’d then feign surprise and frustration that an astrology app was rejected for being an astrology…
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Classic 3D videogame shadow techniques
Towards the end of Wim Wenders’s excellent Perfect Days , the protagonist Hirayama is drinking beer under a bridge after he has seen a Businessman courting his crush. Suddenly the Businessman joins him under the bridge. As it turns out, things aren’t actually that simple but the point is their conversation takes them…
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Scaling GitHub
Written pieces, talks, and other bits by Zach Holman.
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Show HN: I'm building a browser for reverse engineers
In the expanding world of AI my heart still lies in AST transforms, browser fingerprinting, and anti-bot circumvention. But my workflow felt... primitive.
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The Illustrated Word2vec
Discussions: Hacker News (347 points, 37 comments), Reddit r/MachineLearning (151 points, 19 comments) Translations: Chinese (Simplified), French, Korean, Portuguese, Russian “There is in all things a pattern that is part of our universe. It has symmetry, elegance, and grace - those qualities you find always in that…