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How x86_64 Addresses Memory
Update 2025-03-05 : @jxu has shared a collection of simplified examples that are even easier to follow than the original ones in this post.
New
The latest blog posts to take off on Hacker News. 6,947 posts.
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Flow browser passes the Acid tests
Ekioh's multithreaded, parallel, Flow browser passes all three Acid tests.
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The rise of embarrassingly parallel serverless compute
How distributed serverless compute changes the game on whats possible
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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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A survey of recent iOS kernel exploits
Posted by Brandon Azad, Project ZeroI recently found myself wishing for a single online reference...
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Async Python is not faster
Async Python is slower than "sync" Python under a realistic benchmark. A bigger worry is that async frameworks go a bit wobbly under load.
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A New RegExp Engine in SpiderMonkey
Regular expressions – commonly known as RegExps – are a powerful and heavily used tool for manipulating strings in JavaScript. This post describes how we updated the RegExp engine in ...
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Way to keep your cool running a Raspberry Pi 4 (2019)
From home temperature monitoring to a Kubernetes cluster hosting a live Drupal website, I have a lot of experience running Raspberry Pis. I've used every model through the years, and am currently using a mix of A+, 2 model B, and 4 model B Pis. The 3 model B+ was the first generation that had me concerned more about…
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Writing a full-text search engine using Bloom filters (2013)
A few minutes ago I came across a Hacker News post that detailed a method of adding search to your static site. As you probably know, adding search to a static site is a bit tricky, because you can’t just send the query to a server and have the server process it and return the results. If you want full-text search…
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Haiku R1/beta2 has been released
After almost 2 years since R1/beta1, Haiku R1/beta2 has been released. See “Release Notes” for the release notes, “Press contact”, for press inquiries … and “Get Haiku!” to skip all that and just download …
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Playing around with the Fuchsia operating system
A look at the new Fuchsia Operating System.
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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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SeL4 is verified on RISC-V
Sounds great! But what does it mean? seL4 seL4 (pronounced ess-e-ell-four) is arguably the world’s most secure operating system (OS) kernel. The OS kernel is the lowest level of software runn…
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With only free software, a Mali G31 chip can now run GNOME
With only free software, a Mali G31 chip can now run Wayland compositors with zero-copy graphics, including GNOME 3.
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Running Linux on My MacBook
thoughts
3618
Getting Hands-on with io_uring using Go
In Linux, system calls (syscalls) are at the heart of everything. They are the primary interface through which an application interacts with the kernel.
3619
Microservices Considered Harmful (2019)
A recent trend in our industry is the software architecture move from a monolith app to microservices, often with a related blog post explaining how much better everything is after. A recent blog post by neo-bank Monzo explains that they have reached the crazy amount of 1500 microservices (a ratio of ~10 microservices…
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Intel and ARM Performance Characteristics for S3 Compatible Object Storage
Product updates, company news, and educational content on AI storage, object storage, data lakehouses, and cloud-native infrastructure from MinIO.
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Containers from first principles
You’ve likely heard everyone at the office or online proclaim that “K8s has eaten everyone’s lunch!” or that “everything should be in a docker container!”. While there are advantages to the above methodologies; it’s very easy to have cargo-culted their adoption; especially for Kubernetes (K8s). I find the biggest…
3624
The Beauty of Unix Pipelines
Some examples of using unix tools in a pipeline
3625
Writing to the Framebuffer (2018)
I’ve been thinking about cross platform GUIs, and one question led to the next and eventually I was asking: how do pixels end up on the monitor? A pretty neat stack overflow response answers:
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Those Win9x Crashes on Fast Machines
It is well known that Win9x variants prior to Windows 98 have a tendency to crash on fast CPUs. The definition of “fast” is of course fuzzy but the problems were known to occur on AMD K6-2 processors running at 350 MHz or faster as early as 1998. This led to some acrimony when Microsoft attempted to charge $35 for the…
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Embedded Rules of Thumb (2018)
26 April 2018 by Phillip Johnston • Last updated 10 June 2021You may call them guidelines, heuristics, or rules of thumb. No matter, the purpose is the same: to provide a reasonable approximation of the truth. These rules of thumb can help guide your understanding of the systems you work on, focus you toward the ……
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A simple way to get more value from tracing
A lot of people seem to think that distributed tracing isn't useful, or at least not without extreme effort that isn't worth it for companies smaller than FB. For example, here are a couple of public conversations that sound like a number of private conversations I've had. Sure, there's value somewhere, but it costs…
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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…