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How Discord Handles Two and Half Million Concurrent Voice Users Using WebRTC
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
New
The latest blog posts to take off on Hacker News. 2,560 posts.
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You can't contain me: elevation-of-privilege vulnerability in Docker for Windows
I have been continuing my journey of searching for windows breakout vulnerabilities in popular applications and one that I discovered in March I found intere...
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Java’s new garbage collector promises low pause times on multi-terabyte heaps
Java 11 features a new Garbage Collector, the Z Garbage Collector (ZGC), which is designed for very low pause times on huge multi-terabyte heaps. In this article we'll cover the motivation for a new GC, a technical overview and some of the really exciting possibilities ZGC opens up.
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Intel microcode license updated to permit redistribution
Access technologies from partnerships with the community and leaders. Everything open source at Intel. We have a lot to share and a lot to learn.
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Jepsen: Dgraph 1.0.2
2019-04-10: The long fork test used in this analysis contained a bug which caused it to (in many cases) fail to identify long fork anomalies—though we did find instances of long fork using other tests. We have re-checked Dgraph 1.0.13 with a corrected checker, and its long fork tests still pass.
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Bing.com now runs on .NET Core
Bing.com is a cloud service that runs on thousands of servers spanning many datacenters across the globe. Bing servers handle thousands of users’ queries every second from consumers around the world doing searches through their browsers, from our partners using the Microsoft Cognitive Services APIs, and from the…
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Introducing the Windows Pseudo Console (ConPty)
In this, the fourth post in the Windows Command-Line series, we'll discuss the new Windows Pseudo Console (ConPTY) infrastructure and API - why we built it, what it's for, how it works, how to use it, and more.
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Understanding L1 Terminal Fault aka Foreshadow: What You Need to Know
L1 Terminal Fault/Foreshadow explained in ~three minutesFor a more detailed technical view of L1 Terminal Fault, please see this deeper dive with Jon Masters.How we got here: a brief history of modern microprocessor cachesModern computer microprocessors are complex machines, filled with many optimizations designed to…
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Portability benchmark of Dota2 on MacOS
gfx-rs is a project bringing efficient cross-platform graphics to rust. This blog supposedly hosts the major milestones, concepts, and recaps of the project.
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Better slow than sorry – VirtualBox 3D acceleration considered harmful
The 3 - d acceleration feature of VirtualBox has had a bit of a rough time this year . One could argue that technically this component might not be considered attack surface in VirtualBox, due to the big warning put out in the documentation recommending against its use (emphasis mine):
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How we scaled Nginx
10 million websites, apps and APIs use Cloudflare to give their users a speed boost. At peak we serve more than 10 million requests a second across our 151 data centers. Over the years we’ve made many modifications to our version of NGINX to handle our growth. This is blog post is about one of them.
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The Road to QUIC
QUIC (Quick UDP Internet Connections) is a new encrypted-by-default Internet transport protocol, that provides a number of improvements designed to accelerate HTTP traffic as well as make it more secure, with the intended goal of eventually replacing TCP and TLS on the web.
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ReactOS 0.4.9 released
ReactOS is a free, opensource reimplementation of windows
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NetBSD 8.0 released
The NetBSD Project is pleased to announce NetBSD 8.0, the sixteenth major release of the NetBSD operating system.
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Geosharded Recommendations with Hilbert Curve at Tinder
We’re on a mission to keep the magic of human connection alive. Learn more about life at Tinder and the many ways we're igniting our impact—for our employees and the millions of people seeking connection on our app.
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Inside the Windows Console
Welcome to the third post in the Windows Command-Line series. In this post, we'll start to dig into the internals of the Windows Console and Command-Line, what it is, what it does ... and what it doesn't do!
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Amazon EC2 Instance Update – Faster Processors and More Memory
Last month I told you about the Nitro system and explained how it will allow us to broaden the selection of EC2 instances and to pick up the pace as we do so, with an ever-broadening selection of compute, storage, memory, and networking options. This will allow us to give you access to the latest […]
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Supercharging the Git Commit Graph IV: Bloom Filters
We've been discussing the commit-graph feature in Git 2.18 and how we can use generation numbers to accelerate commit walks. One area where we can get
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Mitigating Spectre with Site Isolation in Chrome
Posted by Charlie Reis, Site Isolator Speculative execution side-channel attacks like Spectre are a newly discovered security risk for web...
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XARs: An efficient system for self-contained executables
Distributing large pieces of software to thousands of machines with a wide variety of configurations can pose a significant operational challenge, requiring a process to identify and copy precisely…
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AMD EPYC Performance Testing with systemd
With packet.net making bare metal servers available to cloud users, Percona CTO Vadim Tkachenko enjoys the opportunity to carry out some performance benchmarks with EPYC CPU, and experiences some surprising results running Percona Server for MySQL under systemd.
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How to drop 10M packets per second
Internally our DDoS mitigation team is sometimes called "the packet droppers". When other teams build exciting products to do smart things with the traffic that passed through our network, we take joy in discovering novel ways of discarding it.