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Fedora Linux 34 is officially here
Fedora Linux 34 is released and ready for you to install or upgrade today.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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Bringing Chrome to ARM64 Linux Devices
We’re excited to announce that Google will launch Chrome for ARM64 Linux devices in Q2 2026, following the successful expansion of Chrome to Arm-powered macOS devices in…
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Lock-Free Rust: How to Build a Rollercoaster While It's on Fire
A joyride through the dangers of lock-free programming.
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Amazon EBS Update – New Elastic Volumes Change Everything
It is always interesting to speak with our customers and to learn how the dynamic nature of their business and their applications drives their block storage requirements. These needs change over time, creating the need to modify existing volumes to add capacity or to change performance characteristics. Today’s 24×7…
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YouTube Videos Now Served in WebM
The world of online video is incredibly complex and dynamic. Yet, our goal is to ensure that nothing stands between you and the great content you’ve always enjoyed. We’ll continue to invest in new video technology that improves the experiences for all users, builds a better infrastructure for online video, leads to…
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Copy Fail, Dirty Frag, and Fragnesia kernel vulnerabilities
News and information from Gentoo Linux
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Why DNSFilter replaced InfluxDB with TimescaleDB
Stay informed with the latest updates, trends, and insights on DNS and content filtering. Get useful tips and best practices in network security.
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We built another object storage
High-performance object storage exists, but the economics make it unusable at scale. FractalBits breaks out of the high-performance trap.
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Scaling SQLite to 4M QPS on a Single Server (EC2 vs. Bare Metal)
Discover how Expensify achieved remarkable scaling: 4M QPS on one server! Dive into optimizing SQLite for impressive performance gains.
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Giving Mono Souper Powers
By virtue of using LLVM, Mono has access to a wide suite of tools and optimization backends. A lot of active research uses LLVM IR. One such research project, Souper, tries to brute-force a search for missed optimizations in our emitted code. The .NET community may have software projects that benefit from using Souper…
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Bpftop: Streamlining eBPF performance optimization
By Jose Fernandez
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Git’s database internals II: commit history queries
This post explores Git commit history as a database where ‘git log’ is the query language. Learn about Git’s custom query index – the commit-graph file – and how to make sure it's enabled in your repositories.
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JavaScript Array.push is 945x faster than Array.concat
It took six whole seconds to merge 15,000 arrays with an average size of 5 elements with .concat. What the hell is the Javascript's .concat method doing under the hood?
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Chrome just got faster with Profile Guided Optimization
From the very beginning , we built Chrome to be the fastest browser possible. The faster Chrome is, the faster you find the information you ...
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Comparing Nginx performance in bare metal and virtual environments
We compare NGINX performance in bare-metal and virtualized (hypervisor) environments, finding a small but measurable performance cost for hypervisors. We also find that performance in Kubernetes environments is worse for network-bound but not CPU-bound operations.
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9front “The Golden Age of Ballooning” Released
Multiple installation media are provided for PC, Raspberry Pi, and MNT Reform. For PC, burn an .iso file to CD, or dd it directly to USB media. For Raspberry Pi or MNT Reform, dd an .img file directly to sdcard.
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Optimizing Siri on HomePod in Far‑Field Settings
The typical audio environment for HomePod has many challenges — echo, reverberation, and noise. Unlike Siri on iPhone, which operates close…
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How StackOverflow Scales with SQL Server
Bad news: that page is gone. We try to keep our site as accurate and up-to-date as possible so that if you’re reading advice here, you can rely on it. That means from time to time, we decide that a page isn’t a great reference anymore, and the work to update it is beyond what […]
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Coming Soon – Graviton2-Powered General Purpose EC2 Instances
We launched the first generation (A1) of Arm-based, Graviton-powered EC2 instances at re:Invent 2018. Since that launch, thousands of our customers have used them to run many different types of scale-out workloads including containerized microservices, web servers, and data/log processing. The Operating System Vendors…
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Let's Embed a Go Program into the Linux Kernel (2023)
Today, we would like to present a lesser-known feature of the Linux kernel. Instead of launching a program from a file system, regardless of whether it's virtual or not, it is also possible to embed a user-space program directly into the kernel image itself and start it from there.
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The implications of UEFI "Secure Boot" for Linux users
Last month Steven Sinofsky from Microsoft announced new requirements for manufacturers wanting to ship Windows 8 systems, including a feature called “Secure Boot”. Canonical, together with Red Hat, today publishes a white paper highlighting the implications of these requirements for users and manufacturers. The paper…
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UtahFS: Encrypted File Storage
Several months ago, I realized that I had a lot of sensitive files on my computer (my diary, if you must know) that I was afraid of losing, but I didn’t feel comfortable putting them in something like Google Drive or Dropbox. Introducing UtahFS.
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Big Sur bug prevents upgrades to the next version
If you work with Apple in some capacity, you know that they’re not very likely to admit mistakes. I’m not aware of Apple publishing postmortems after outages or providing details about known issues. So it’s up to the developer and admin communities at large to help each other learn about outages and potential causes…