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Smaller and faster data compression with Zstandard
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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 6,942 posts.
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Htop Explained
Explanation of everything you can see in htop/top on Linux
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I booted Linux 293k times in 21 hours
And it only took 21 hours. Linux 6.4 has a bug where it hangs on boot, but probably only 1 in 1000 boots (and rarer if using Intel hardware for some reason). It’s surprising to me that no one…
94
Adventures of putting 16 GB of RAM in a motherboard that doesn’t support it
A while ago, I put 16 GB of RAM into one of my computers. The computer is using a Foxconn P55MX motherboard with a Core i5 750. It’s old and could probably be replaced, but it still works for what I need.
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I fixed Windows native development
Imagine you’re maintaining a native project. You use Visual Studio for building on Windows, so you do the responsible thing and list it as a dependency
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ZedRipper: A 16-core Z80 laptop
Meet the ZedRipper – a 16-core, 83 MHz Z80 powerhouse as portable as it is impractical. The ZedRipper is my latest attempt to build a fun ‘project’ machine, with a couple of goals in mind:
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A Minimum Viable Computer, or Linux for $15
Building a fully functional Linux handheld computer for under $15, featuring a custom PCB design, minimal BOM cost, and practical usability
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Making the Tokio scheduler 10x faster
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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Command-line tools can be faster than your Hadoop cluster
Adam Drake is an advisor to scale-up tech companies. He writes about ML/AI/data, leadership, and building tech teams.
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Chrome will aggressively throttle background tabs
[Jan 26, 7:25am]: Google has responded to this article and the plans for throttling: Unfortunately, our current implementation throttles...
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Mistakes engineers make in large established codebases
What I've learned from ten years working on projects like this
102
A deep dive into iOS Exploit chains found in the wild
Posted by Ian Beer, Project ZeroProject Zero’s mission is to make 0-day hard. We often work...
103
Building and operating a pretty big storage system called S3
Three distinct perspectives on scale that come along with building and operating a storage system the size of S3.
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How Discord Scaled Elixir to 5M Concurrent Users
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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Jemalloc Postmortem
The jemalloc memory allocator was first conceived in early 2004, and hasbeen in public use for about 20 years now. Thanks to the nature of open source software licensing,jemalloc will remain publicly available indefinitely. But active upstream development has come to anend. This post briefly desc...
107
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.
108
The session you cannot take with you
Inference APIs are filling sessions with encrypted reasoning, hidden search results, opaque compaction, and encrypted subagent messages. A growing form of lock-in.
109
Tokio Console
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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When imperfect systems are good: Bluesky's lossy timelines
By examining the limits of reasonable user behavior and embracing imperfection for users who go beyond it, we can continue to provide service that meets the expectations of users without sacrificing scalability of the system.
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Cloudflare outage on December 5, 2025
Cloudflare experienced a significant traffic outage on December 5, 2025, starting approximately at 8:47 UTC. The incident lasted approximately 25 minutes before resolution. We are sorry for the impact that it caused to our customers and the Internet. The incident was not caused by an attack and was due to…
112
Improving Firefox Responsiveness on macOS
If you're running Firefox on macOS you might have noticed that its responsiveness has improved significantly in version 103.
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ARM64 Linux Workstation
My personal website and blog
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Production Twitter on one machine? 100Gbps NICs and NVMe are fast
In this post I’ll attempt the fun stunt of designing a system that could serve the full production load of Twitter with most of the features intact on a single (very powerful) machine. I’ll start by showing off a Rust prototype of the core tweet distribution data structure handling 35x full load by fitting the hot set…
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I helped fix sleep-wake hangs on Linux with AMD GPUs
Adventures in programming, hardware, DSP, and chiptune
118
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.
119
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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