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November 2022 Progress Report
Porting Linux to Apple Silicon
New
The latest blog posts to take off on Hacker News. 582 posts.
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Improving Firefox stability on Windows by retrying failed memory allocation
Poorly behaving web pages and apps are no longer capable of crashing the browser by exhausting memory, thanks to a simple trick.
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Please restore our registers when you’re done with them
“Hey, you. Yes you, that function over there. When you’re cleaning up please remember to restore all of my registers. Yes, that one too – what do you think this is, Linux?”That’s the problem I was …
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How Precision Time Protocol is being deployed at Meta
Implementing Precision Time Protocol (PTP) at Meta allows us to synchronize the systems that drive our products and services down to nanosecond precision. PTP’s predecessor, Network Time Protocol (…
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DOS/4GW and Protected Mode (2021)
MS-DOS game programmers had to deal with several limitations. This article goes over some of these obstacles and explores how we used the DOS/4GW extender & protected mode to unleash the power of 32-bit DOS.
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Investigating why Steam started picking a random font
Out of the blue my Steam started picking a random font I had in my user fonts dir: Virgil , the Excalidraw font.
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How does Windows decide whether your computer has full Internet access?
Looking for special servers.
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Use this kernel parameter in your kiosk
r/PBSOD is a fun subreddit all about posting pictures of broken kiosks and information/entertainment systems in public. It stands for Public Blue Screen of Death which is a Windowsism but Linux systems are posted there too. If you spend enough time scrolling, you might notice two things: There’s a scary number of…
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Fast CI with MicroVMs
I saw an opportunity to fix self-hosted runners for GitHub Actions. Actuated is now in pilot and aims to solve most if not all of the friction.
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Inside boost::unordered_flat_map
Introduction The case for open addressing SIMD-accelerated lookup boost::unordered_flat_map data structure Rehashing Hash post-mixing Sta...
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Amazon’s distributed computing manifesto (1998)
Today, I am publishing the Distributed Computing Manifesto, a canonical document from the early days of Amazon that transformed the architecture of Amazon's ecommerce platform. It highlights the challenges we were facing at the end of the 20th century, and hints at where we were headed.
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Bottomless, consumption-based storage for PostgreSQL built on Amazon S3
Data management decisions don’t have to be costly. Introducing Tiered Storage, a low-cost infinite storage tier for your historical data needs.
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How PlanetScale Boost serves SQL queries faster
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
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PlanetScale Boost
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
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Optimizations can have unexpectedly large effects when combined with caches
This post is about a non-obvious interaction between performance optimizations and LRU/time limited caching.
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Scaling Mastodon is impossible
Now that Twitter is dying, what can replace it?
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Making a Go program faster with a one-character change
Harry Marr — Member of Technical Staff at Anthropic. Co-founded Dependabot, previously at GitHub, Monzo, and GoCardless.
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Build the Modular Monolith First
Even talking about building a monolith today, is a bit taboo. It is all about microservices at the moment, and has been for a few years. But they aren’t a silver bullet…
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Building a simple shell in C – Part 3
Implementing the execution functionality of the shell
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Why does zsh start so slowly?
I’m serious about shell startup speed. I use tmux to open and close tmux splits all day every day, so I need zsh to start quickly. I used to use frameworks like oh-my-zsh or prezto and while I was happy with the functionality they provided I wasn’t happy with their impact on my shell’s startup speed. So, what do we do…
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Gzip exceptions, but only on hot or rainy days
A debugging story about a mysterious C# gzip decompression exception and what actually caused it, with investigation steps and lessons learned.
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We upgraded an old, 3PB large, Elasticsearch cluster without downtime
Back in 2018, now five years ago, we published a blog post describing our 400+ node Elasticsearch cluster. In that post we brought up an important topic: So far, we have elected to not upgrade the cluster. We would like to, but so far there have been more urgent tasks. How we actually perform the upgrade is undecided…
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How stdbuf works
Harry Marr — Member of Technical Staff at Anthropic. Co-founded Dependabot, previously at GitHub, Monzo, and GoCardless.
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Seeing through hardware counters: A journey to 3x performance increase
By Vadim Filanovsky and Harshad Sane
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Why is Rosetta 2 fast?
Rosetta 2 is remarkably fast when compared to other x86-on-ARM emulators. I’ve spent a little time looking at how it works, out of idle curiosity, and found it to be quite unusual, so I figur…
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What chroot taught me about containers
In this article, the author explores the concept of containers and how they are essentially chrooted processes. They walk through the process of bu...