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Xfce 4.16
Today, after 1 year and 4 months of work, we are happy to announce the release of the Xfce desktop 4.16, a new stable version that supersedes Xfce 4.14.
New
The latest blog posts to take off on Hacker News. 6,947 posts.
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Booting an M1 Mac from an external disk
If you’ve been unable to create a bootable external disk to use with your M1 Mac, this explains what you need and its limitations and quirks.
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Bare-Metal Kubernetes with K3s
Learn how to configure K3s on bare-metal to run a Kubernetes cluster with just as much resilience and fault tolerance as a managed service.
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eBPF Is Awesome
A blog about programming, technology and open-source stuff.
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An Introduction to Lock-Free Programming (2012)
Lock-free programming is a challenge, not just because of the complexity of the task itself, but because of how difficult it can be to penetrate the subject in the first place. I …
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Apple M1 foreshadows Rise of RISC-V
The M1 is the beginning of a paradigm shift, which will benefit RISC-V microprocessors, but not the way you think.
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Windows 10 20H2: ChkDsk damages filesystem on SSDs with KB4592438 installed
[German]In Windows 10 20H2 with installed cumulative update KB4592438, chkdsk causes massive issues. It destroys the file system during a disk check on SSDs, so Windows 10 can’t start after a reboot.
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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…
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Apple has stopped providing standalone installers for macOS updates
Apple released macOS Big Sur 11.1 on 14 December. Although yesterday it finally posted standalone installers for the two concomitant security updates to Catalina and Mojave, no standalone updaters …
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Stripe’s payments APIs: the first ten years
Abstracting away the complexity of payments has driven the evolution of our APIs over the last decade. Learn more about Stripe payments APIs here.
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The Case of the Extra 40ms
By: John Blair, Netflix Partner Engineering
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ARM MacBook vs. Intel MacBook: A SIMD Benchmark
In my previous blog post, I compared the performance of my new ARM-based MacBook Pro with my 2017 Intel-based MacBook Pro. I used a number parsing benchmark. In some cases, the ARM-based MacBook Pro was nearly twice as fast as the older Intel-based MacBook Pro. I think that the Apple M1 processor is a breakthrough ……
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Why software ends up complex
Complexity in software, whether it’s a programming languages, an API, or a user interface, is generally regarded as a vice. And yet complexity is exceptionally common, even though no one ever sets out to build something complex. For people interested in building easy to use software, understanding the causes of…
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Writing a Memory Allocator (2019)
Video lectureMutator, Allocator, CollectorMemory blockAllocator interfaceMemory alignmentMemory mappingFreeing the objectsBlocks reuseFirst-fit searchAssignmentsNext-fit searchBest-fit searchBlocks splittingBlocks coalescingExplicit Free-listSegregated-list searchOptimizing the storageCustom sbrkConclusion This is the…
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Thread-Per-Core Buffer Management for a modern storage system
Redpanda powers an Agentic Data Plane and Data Streaming platform for real-time performance, AI innovation, and simplified operations.
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ARM MacBook vs. Intel MacBook
Up to yesterday, my laptop was a large 15-inch MacBook Pro. It contains an Intel Kaby Lake processor (3.8 GHz). I just got a brand-new 13-inch 2020 MacBook Pro with Apple's M1 ARM chip (3.2 GHz). How do they compare? I like precise data points. Recently, I have been busy benchmarking number parsing routines where you…
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Introducing x64 emulation in preview for Windows 10 on ARM PCs to the Windows Insider Program
Updated 11/16/2021: x64 emulation for Windows is now generally available in Windows 11. For those interested in experiencing this, a PC running Windows 11 on Arm is required. Today, we're releasing the first preview of x64 emulation
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A preview of x64 emulation on Windows for ARM
Hello Windows Insiders, today we are releasing Windows 10 Insider Preview Build 21277 (RS_PRERELEASE) to Windows Insiders in the Dev Channel. As mentioned here, we are giving Windows Insiders in
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ZFS: Use mirror vdevs, not RAIDZ
Continuing this week’s “making an article so I don’t have to keep typing it” ZFS series… here’s why you should stop using RAIDZ, and start using mirror vdevs instead.
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Why is the Google Cloud UI so slow?
The Google Cloud Console UI is a large JavaScript application. This article investigates how it could be sped up.
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Expanding Fuchsia's open source model
Today we are expanding Fuchsia’s open source model to welcome contributions from the public.
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If All You Have Is a Database, Everything Looks Like a Nail
Databases are fabulous resources. Of course, we’ll abuse them in ways that cause challenges.
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The Raspberry Pi 4 has a fan now – the Case Fan
Last year, I wrote a blog post titled The Raspberry Pi 4 needs a fan. And in a video to go along with that post, I detailed the process of drilling out a hole in the top of the official Pi 4 case and installing a 5v fan inside. But that solution wasn't great. The fan was a little loud and annoying, and would stay on…
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Scaling Datastores at Slack with Vitess
From the very beginning of Slack, MySQL was used as the storage engine for all our data. Slack operated MySQL servers in an active-active configuration. This is the story of how we changed our data storage architecture from the active-active clusters over to Vitess — a horizontal scaling system for MySQL. Vitess is…
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Fixing a 3 year old bug in Nvidia GeForce Experience
Background: Joystick Preventing Display Sleep A few months ago, I thought I ought to try Microsoft Flight Simulator 2020. The facsimile of o...
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Project Loom and Structured Concurrency
Project Loom is one of the major “projects” in which Java is moved forward, alongside the perhaps better known projects Amber and Valhalla. It will bring “virtual” threads with low resource footprint and low cost of blocking to the Java plaform. Here is my annual advent season update, this time with a focus on…
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Linux kernel heap quarantine versus use-after-free exploits
It's 2020. Quarantines are everywhere – and here I'm writing about one, too. But this quarantine is of a different kind. In this article I'll describe the Linux Kernel Heap Quarantine that I developed for mitigating kernel use-after-free exploitation.