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MacOS Catalina: Slow by Design?
In episode 379 of ATP both Marco Arment and John Siracusa described noticeable delays and stalls after upgrading to macOS 10.15.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 533 posts.
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Why Discord is switching from Go to Rust
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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Booting from a vinyl record
Most PCs tend to boot from a primary media storage, be it a hard disk drive, or a solid-state drive, perhaps from a network, or – if all else fails – the USB stick or the boot DVD comes to the rescue… Fun, eh? Boring! Why don’t we try to boot from a record player for a change?
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Unbricking a $2k bike with a $10 Raspberry Pi
A few years ago I splurged on an exercise bike. It’s a pretty expensive item imho, both in upfront and ongoing subscription costs. But I was able to justify it by riding it all the time so that per-ride it wasn’t that expensive. I’m happy to say this was a huge boon for my fitness and it was worth every penny.
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Systems Design for Advanced Beginners
This post is part of my Programming for Advanced Beginners series. Subscribe now to receive specific, actionable ways to make your code cleaner, every other week, entirely free.
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Adobe to remove Flash Player from web site after December 2020
Adobe Flash Player End of Life general information
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Tokio 1.0 – async runtime for Rust
Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.
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Jepsen: PostgreSQL 12.3
PostgreSQL is a major open-source relational database with a 23-year history and a broad range of features. While Jepsen’s work has traditionally focused on distributed systems, our tooling is readily applicable to traditional, single-node databases. In this report, we present the results of applying Jepsen’s…
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Why is Kubernetes getting so popular?
At the time of this article, Kubernetes is about six years old , and over the last two years, it has risen in popularity to consistently be one of the most loved platforms . This year, it comes in as the number three most loved platform . If you haven’t heard about Kubernetes yet, it’s a platform that allows you to…
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How io_uring and eBPF Will Revolutionize Programming in Linux
ScyllaDB’s Glauber Costa explains how two new APIs, io_uring and eBPF, are changing the fundamental nature of Linux programming.
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DirectX is coming to the Windows Subsystem for Linux
DirectX 12, NVIDIA CUDA, OpenGL and OpenCL acceleration are coming to the Windows Subsystem for Linux.
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Building a BitTorrent client from the ground up in Go
What is the complete path between visiting thepiratebay and sublimating an mp3 file from thin air? In this post, we'll implement enough of the BitTorrent protocol to download Debian. Look at the [Source code](https://github.com/veggiedefender/torrent-client/) or skip to the [last…
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Simple Systems Have Less Downtime
The Maersk Triple-E Class container ship is 1,300 feet long, carries over 18,000 containers across 11,000 miles between Europe and Asia, and… Its entire crew can fit inside a passenger van. As a former naval architect and a current marketing consultant to startups, I found that
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The Beauty of Unix Pipelines
Some examples of using unix tools in a pipeline
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A terrible, horrible, no-good, very bad day at Slack
This story describes the technical details of the problems that caused the Slack downtime on May 12th, 2020. To learn more about the process behind incident response for same outage, read Ryan Katkov’s post, “All Hands on Deck”. On May 12, 2020, Slack had our first significant outage in a long time. We published a…
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macOS has checked app signatures online for over 2 years
Why does it take 2 years to realise that macOS has been checking signing certificate validity online?
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Jepsen: MongoDB 4.2.6
2020-05-26: MongoDB identified a bug in the transaction retry mechanism which they believe was responsible for the anomalies observed in this report; a patch is scheduled for 4.2.8.
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Running a Unix-like OS on a home-built CPU with a home-built C compiler
[Thanks for many comments and votes on Hacker News! ] It’s been two years since I started working as a software engineer. I sometimes tell my colleagues about a student project I did in my junior year of university, and it’s so well-received that I’m writing this post. 1 Now, let me ask you a question. Have you ever…
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The Case of the Extra 40ms
By: John Blair, Netflix Partner Engineering
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An introduction to RabbitMQ
What is RabbitMQ? Find out about this open-source message broker in our introduction to the powerful Message Queue tech.
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Make LLVM Fast Again
Clang is an “LLVM native” C/C++/Objective-C compiler, which aims to deliver amazingly fast compiles […]
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Teleforking a Process onto a Different Computer
One day a coworker mentioned that he was thinking about APIs for distributed compute clusters and I jokingly responded “clearly the ideal API would be simply calling telefork() and your process wakes up on every machine of the cluster with the return value being the instance ID”. I ended up captivated by this idea: I…